Prefixes – via about.com

There are plenty of times we look at a word and get an idea of when it took place, if its good or bad, nig or small with or without, etc.  Usually we can tell this just by looking at the beginning of the word or what the learned call prefixes.

See how many you can recognize.

Prefix Meaning Example
a-, an- without amoral
ante- before antecedent
anti- against anticlimax
auto- self autopilot
circum- around circumvent
co- with copilot
com-, con- with companion,
contact
contra- against contradict
de- off,
away from
devalue
dis- not disappear
en- put
into
enclose
ex- out
of, former
extract,
ex-president
extra- beyond,
more than
extracurricular
hetero- different heterosexual
homo- same homonym
hyper- over,
more
hyperactive
il-, im-, in-, ir- not,
without
illegal,
immoral, inconsiderate, irresponsible
in- into insert
inter- between intersect
intra- between intravenous
macro- large macroeconomics
micro- small microscope
mono- one monocle
non- not,
without
nonentity
omni- all,
every
omniscient
post- after postmortem
pre-, pro- before,
forward
precede,
project
sub- under submarine
syn- same
time
synchronize
trans- across transmit
tri- three tricycle
un- not unfinished
uni- one unicorn

 

 

 

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