A
prefix is a letter or a group of letters fixed prior to the word.
Pre-fix itself is a prefix.
| Prefix |
Meaning |
Examples |
| a-, an- |
without, lack-of, not |
amoral,anonymous |
| anti- |
against, opposing |
antivirus |
| ante- |
before |
anteroom |
| auto- |
self |
autobiography |
| circum- |
around |
circumnavigation |
| co-/com-/con- |
with, together |
coexist, commiserate, contact |
| contra- |
against, opposing |
contradict |
| de- |
reverse |
deactivate |
| em-, en- |
cause to, put into |
embrace, envelope |
| epi- |
upon, close to, after |
epicenter, episcopate, epidermis |
| ex-/exo- |
out |
exhale, exoskeleton |
| extra- |
beyond |
extracurricular |
| dis- |
removal |
disconnect |
| fore- |
before |
forecast, forehead |
| hetero- |
different |
heterogeneous |
| homo- |
same |
homophone |
| hyper- |
extreme |
hyperactive |
| infra- |
beneath, below |
infrastructure, infrared |
| inter- |
between |
interactive |
| il-/im-/in-/ir- |
not, without |
illegal, immature, injustice, irrelevant |
| mega- |
large |
megastar |
| micro- |
small |
microscope |
| mid- |
middle |
midnight |
| mis- |
incorrect |
misuse |
| mono- |
one |
monotone |
| non- |
not, without |
nonfiction |
| omni- |
all, every |
omniscient, omnipresent |
| over- |
too much |
overactive |
| para- |
beside |
parachute |
| post- |
after |
postscript |
| pre- |
before |
prefix, predict |
| pro- |
forward |
project, prologue |
| re- |
again |
re-consider |
| semi- |
half, partial |
semiconductor, semester |
| sub- |
below |
submarine |
| therm- |
heat |
thermometer |
| trans- |
across, change |
transport, transgender |
| tri- |
three |
triangle, tripod |
| un- |
not, opposite |
unkind, unresponsive |
| uni- |
one, single |
unicorn, unicellular |
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