60+ Greek & Latin Prefixes

Understanding the most common Greek and Latin prefixes will help you recognize the meaning of a large number of English words. (Besides, that, it's fun to see where different words came from!)

For examples and a list of the most common of these prefixes in alphabetical order (plus a few tips on understanding their use), you might want to see List of Prefixes.

The list on this page is arranged according to the meaning of the prefixes in English, followed by the Latin and Greek prefixes for each meaning. (Several do not have a Greek prefix that is commonly used in English.).

The prefixes on the alphabetical list that aren’t included here (and others that are obvious, like over- and under-) are English, except non- and counter-, which come to English from French.

The list below also includes some Greek (and a few Latin) prefixes that were not included on the main List of Prefixes because they are not used as commonly in English.

Greek vs. Latin

A list of Latin & Greek prefixes arranged by English meaning. Greek temple image & the start of the prefix table, then a little about Greek vs Latin prefixes.

Many Greek and Latin prefixes are closely related.

They may be cognates (ambi-/amphi-, extra-/ exo-) or directly borrowed terms like macro-.

(The Romans, like the English, expanded their vocabulary with terms and ideas from the peoples they contacted or conquered.)

Latin prefixes are used more frequently than most Greek ones in common English words, but both are important. Most medical and mathematical terminology comes from Greek.

(To save space, 'prefix' is written as 'PF' in the table titles.) 

The List: Meaning, Latin Prefixes, & Greek 

MEANING LATIN PF GREEK PF
above, excess super-, ultra- hyper-
across, beyond, through trans- dia-
after post-
again, back re-
against contra-, (in-, ob-) anti-
all omni- pan
around circum- peri-
away or from ab- (or de-) apo-, ap-
bad, difficult, wrong mal- dys-
before ante-, pre- pro-
between, among inter-
both ambi- amphi-
completely or very de-, ob-
down de-, ob-
four quad- tetra-
good ben-, bene- eu-
half, partially semi- hemi-
in, into il-, im-, in-, ir- en-
in front of pro- pro-
inside intra- endo-
large (macro-, from Greek) macro-
many multi- poly-
not* de-, dis-, in-, ob- a-, an-
on epi-
one uni- mono-
out of ex-, e- ek-
outside extra-, extro- ecto-, exo-
over ob- (sometimes) epi-
self ego- auto-, aut-,auth-
small micro-
three tri- tri-
through trans- dia-
to or toward ad-, a-, ac-, as- epi-
two bi- di-
under, insufficient sub- hypo-
with co-. com-, con- sym-, syn-
within, inside intra- endo-
without dis- (sometimes) a-, an-

* These negative prefixes mean 'not' or something similar, or reverse the action or meaning of the word they attach to. For more information, see Negative Prefix List. (The most common negative prefix of all in English is 'un-'. We have two others that are also not from Latin or Greek: 'mis-' and 'non-'.)

To practice these prefixes, see Greek Roots (some of which also can be used as prefixes: bio-, cardio-, tele-, etc.), 50 Word Roots from Latin and Match Words from Latin Roots, Important Latin Roots, and others given in Roots, Prefixes, and Suffixes below.

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