Prefix: a part of word that comes in front of the root and changes its meaning

The hyphen (-) after the prefix shows that it is not a whole word, only the beginning, and that part of the word comes after it.

Prefixes	Prefix meanings	Sample words and definitions
August 29, 2007
a-	on	afire - on fire ashore - on the shore aside - on the side
August 30, 2007
ab- abs-	from, away, off	abduct - carry away by force abnormal - away from normal, not normal absent - away, not present
August 31, 2007
ambi-	both	ambidextrous - able to use both hands equally well ambiguous - having more than one meaning ambivalence - conflicting or opposite feelings, such as love and hate, toward a person or thing
September 4, 2007
ante-	before, in front	antecede - to come before something in time antemeridian - before noon anteroom - a small room before the main room
September 5, 2007
anti-	against, opposite of	antibody - a substance that destroys bacteria antiseptic - a substance that prevents infection antislavery - against slavery
September 6, 2007
aqu- aqua-	water	aquarium - a container with water for fish aquatic - relating to water aqueduct - a pipe for moving water
September 7, 2007
arch-	chief, most important	archduke - nobleman with high rank, like a prince archenemy - chief or worst enemy
September 10, 2007
astro-	star, stars, outer space	astronaut - a person trained to travel in space astronomer - someone who studies the stars
September 11, 2007
auto-	self, same, one	autocrat - one person who rules a country autograph - a person's own signature automatic - acting by itself
September 12, 2007
bene-	good, well	benefactor - person who gives money to a cause beneficial - producing a good effect benefit - something that has a good effect
September 13, 2007
bi-	two, twice, once in every two	biannual - happening twice a year bicolor - having two colors binoculars - optical device with two lenses
September 14, 2007
biblio-	book	bibliography - a list of books used as sources bibliomania - an extreme love of books bibliophile - a person who loves or collects books
September 17, 2007
bio-	life, living matter	biography - a life story written by another person biology - the science that deals with life biosphere - Earth's surface inhabited by living things
September 21, 2007
cent-	hundred, hundredth	centennial - the 100th anniversary centimeter - 1/100 of a meter century - 100 years
September 27, 2007
circum-	around, about	circumnavigate - to sail around circumscribe - to draw around; to limit the power circumspect - looking around; cautious
September 28, 2007
co-	with, together, joint	coauthor - writer who writes with another author coeducation - the education of males and females together
October 5 2007
com- con-	together with, jointly	combat - fighting between people concur - to agree with someone
October 9, 2007
contra- contro-	against, contrary, opposing	contradict - to argue against contrary - not in agreement controversy - disagreement
October 10, 2007
counter-	opposite, contrary, opposing	counteract - to oppose the effects of an action countermand - to cancel a previous order counteroffensive- attack against an attack
October 11, 2007
de-	reduce down, remove	debase - to reduce something in value or quality decelerate- to slow down; to reduce speed dethrone- to remove from power
October 12, 2007
dis-	do the opposite, exclude, absence of, not	disagree - to have a different opinion disappear - to stop being seen disassemble - to undo something that's assembled
October 15, 2007
equi-	equal, equally	equidistant - an equal distance from two points equity - equal and fair treatment for everyone equivalent - equal in value, meaning, effect, etc.
October 16, 2007
ex-	from, out, out of, away from	excavate - to dig out exhale- to breathe out extract - to draw or pull out
October 17, 2007
extra-	outside, beyond	extracurricular - outside the school curriculum extraordinary - beyond ordinary extraterrestrial - outside the earth
October 18, 2007
fore-	in front of, previous, earlier	forebear - ancestor forebode - to give an advance warning of something bad
end 1st quarter
October 16, 2007
geo-	earth, soil, global	geography - study of the earth's surface geology - study of the structure of the earth geoponics - the study of agriculture
October 17, 2006
giga-	a billion	gigabyte - unit of computer storage space gigahertz - unit of frequency (one billion Hz/sec) gigawatt - unit of electrical power (one billion watts)
October 18, 2006
hemi-	half, partial	hemicycle - a semicircular structure hemisphere - one half the earth hemistich - half a line of poetry
October 19, 2006
hetero -	different, other	heterogeneous - made up of unrelated parts heteronyms - words with the same spelling but different meanings: dove (a bird) and dove (did dive)
October 23, 2006
homo-	like, alike. same	homogenous - of the same nature or kind homophones - words with the same sound but different spellings: eight and ate
October 24, 2006
hydr- hydro-	water, liquid, moisture	hydrate - to add water to hydrophobia - intense fear of water hydroponics - the growing of plants in liquid
October 25, 2006
hyper-	too much, over, above	hyperactive - very restless hypercritical - too critical hypertension - pressure above normal
October 26, 2006
il-, im- in-, ir-	not, without	illegal - not legal impossible - not possible inappropriate - not appropriate
October 30, 2006
inter-	between, among, jointly	interact - to act upon one another international - involving two or more countries intersection - place where roads come together
October 31, 2006
intra-	within, inside	intramural - involving students within one school intrastate - existing in one state intravenous - inside or into a vein
November 1, 2006
intro-	into, inward	introduce - to lead into the main part of something introspect - to look into your thoughts and feelings introvert - shy person who keeps within him/herself
November 2, 2006
magni- magna-	great	magnanimous - kind and big-hearted magnificent - grand, impressive magnify - to make appear larger
November 6, 2006
mal-	bad, badly, abnormal, inadequate	malfunction - to function imperfectly or badly malicious - wicked, spiteful, mean malign - to write or say bad things
November 8, 2006
mega-	great, large, huge	megalopolis - an area with many nearby cities megaphone - a device that projects a loud voice megastructure - huge building or other structure
November 9, 2006
micro-	very small, short, minute	microbe - a very small living thing microchip - a tiny wafer with an integrated circuit microscope - a device to see very small things
November 10, 2006
mid-	middle	midriff - the area between the chest and the waist midterm - middle of a term in school midway - halfway between
November 14, 2006
mis-	bad, badly, wrong, wrongly	misbehave - to behave badly misprint - an error in printing misquote - to quote wrongly
November 16, 2006
mono-	one, single, alone	monochromatic - having one color monologue - a speech spoken by one actor alone monotheism - belief in one god
November 17, 2006
multi-	many, more than one or two	multicolored - having many colors multilingual - fluent in more than two languages multiplex - building with several movie theaters
November 20, 2006
non-	no, not, without	nondescript - with no special characteristics nonfiction - true, real, not made up nonsense - without sense
November 27, 2006
ob-	in the way, against	object - to be against something obscure - hard to understand obstruct - something that is in the way
November 28, 2006
octa- octo-	eight	octagon - a figure with eight sides and eight angles octogenarian - person in his or her 80s octopus - sea animal with eight arms
November 29, 2006
omni-	all	omnipotent - with all the power omniscient - knowing all things omnivorous - eating all foods
November 30, 2006
pan-	all, any, everyone	panacea - a cure for all diseases and problems panorama - an all-around view pantheism - the worship of all gods
December 4, 2006
ped- pedi-	foot, feet	pedal - a lever pushed by the foot pedestrian - a walker pedicure - cosmetic treatment of feet and toes
December 6, 2006
per-	through, throughout	permanent - lasting throughout all time permeate - to spread throughout persist - to continue for a long time
December 7, 2006
poly-	many, more than one	polychrome - with many colors polyglot - fluent in many languages polygon - shape with three or more straight sides
December 8, 2006
post-	after, later, behind	posthumous - happening after someone's death postpone - to delay something until later postscript - a message at the end of a letter
December 11, 2006
pre-	earlier, before, in front of	preamble - a part in front of a formal document prepare - to get ready in advance prepay - to pay ahead of time
December 12, 2006
pro-	before, in front of	prognosis - a prediction of what will happen prologue - a passage before the main part prophet - a person who foretells the future
December 13, 2006
quad- quadr- quadri	four	quadrant - open space with buildings on four sides quadrennium - period of 4 years quadruped - a 4-footed animal
December 14, 2006
re-	again, back, backward	rebound - to spring back again, recover rebuild - to go back to an earlier condition rewind - to wind something backward
December 15, 2006
retro-	backward, back	retroactive - relating to something in the past retrogress - to go back to an earlier condition retrospect - the remembering of past events
December 18, 2006
self-	of, for, or by itself	self-discipline - the ability to discipline yourself self-respect - respect for yourself selfish - concerned only with your own interests
December 19, 2006
semi-	half, partial	semiannual - every half year semicircle - half a circle semiconscious - partly conscious
December 20, 2006
somn- somni-	sleep	insomnia - inability to fall asleep somniloquy - talking in your sleep somnolent - feeling sleepy
December 21, 2006
sub-	under, lower than, inferior to	submarine - an underwater boat submerge - to put underwater substandard - inferior to accepted standards
January 8, 2007
super-	higher in quality or quantity	Superbowl - the football game above all others superior - above average, better in quality supersonic - faster than the speed of sound
January 9, 2007
tele-	far, distant	telephone - a device to talk to a distant person telescope - a device to view distant objects television - a device to receive pictures from afar
January 10, 2007
trans-	across, beyond, through	transcontinental - across the continent transfer - to move from one place to another transport - to carry something across a space
January 11, 2007
tri-	three, once in every three, third	triangle - a figure with three sides and three angles triathlon - an athletic contest with three events tricycle - a three wheeled vehicle with petals
January 12, 2007
ultra-	beyond, extreme, more than	ultrahigh - extremely high ultramodern - more modern than anything else ultrasonic - sound waves beyond human hearing
January 16, 2007
un-	not, opposite of, lacking	unabridged - not shortened; full length unfair - opposite of fair, just, and impartial unfriendly - lacking friendliness hostile
January 17, 2007
uni-	one, single	unicycle - a vehicle with one wheel unilateral - decided by only one person or nation unique - the only one of its kind
January 18, 2007
vice-	acting in place of, next in rank	vice president - the person next in rank to the president viceroy - a governor who acts for a king or queen

Please copy the following information into your spiral notebook: Suffixes - the part added to the end of the word after the root. It can often add information to the root or change the meaning or part of speech of the word.
The hyphen (-) in front of the suffix shows that it is not a whole word, only the end of it, and that part of the word comes before it.

January 23 2007
-able	able to be	excitable - able to be easily excited portable - able to be carried preventable - able to be prevented
January 24, 2007
-ade	act, action, or process; product	blockade - an action to block people or goods cavalcade - a procession of cars, carriages, etc. promenade - action of leisurely strolling in public
January 25, 2007
-age	action or process	passage - the act of going place to place pilgrimage - a journey to a holy place voyage - a journey to a distant place
January 26, 2007
-al	relating to	bacterial - relating to bacteria natural - relating to nature theatrical - relating to the theater
January 29, 2007
-an -ian	relating to, belonging to	American - of or relating to America Italian - of or relating to Italy urban - of or relating to a city
January 30, 2007
-ance	state or quality of	annoyance - the state of being annoyed brilliance - the quality of being brilliant defiance - the act of defying; bold resistance
February 1, 2007
-ant	a person who	applicant - a person who applies for something immigrant - a person who settles in a new country servant - a person who serves
February 2, 2007
-ant	inclined to, tending to	brilliant - inclined to be extremely bright defiant - tending to disobey vigilant - inclined to be alert for danger
February 5, 2007
-ar	of or relating to; being	lunar - relating to a moon molecular - relating to molecules solar - relating to the sun
February 6, 2007
-ar	a person who	beggar - a person who begs burglar - a person who enters a place to steal liar - one who tells lies
February 7, 2007
-ard	a person who does an action	coward - a person who is easily frightened sluggard - a person who avoids work wizard - a person who is very skilled at something
February 8, 2007
-arian	a person who	disciplinarian - a person who enforces all rules vegetarian - a person who eats vegetables - not meat and fish
February 15, 2007
-ary	of or relating to	budgetary - relating to budgets literary - relating to literature military - relating to armed forces
February 16, 2007
-ate	state or quality of	affectionate - the quality of showing affection desolate - the state of being deserted, uninhabited obstinate - the quality of being stubborn, inflexible
February 19, 2007
-ate	makes the word a verb	activate - to make something active evaporate - to change liquid into vapor medicate - to give medicine to
February 20, 2007

February 21 2007

February 22, 2007

February 23, 2007