- on both sides; at both ends; of both kinds: amphipod, amphitrichous, amphibious
- around: amphibole
WordReference Random House Learner's Dictionary of American English © 2026
amphi-, prefix.
WordReference Random House Unabridged Dictionary of American English © 2026- amphi- comes from Greek, where it has the meaning "both;
on two sides''. This meaning is found in such words as: amphibian, amphibious, amphitheater.
amphi-,
- a prefix occurring in loanwords from Greek (amphibious);
on this model, used with the meaning "two,'' "both,'' "on both sides,'' in the formation of compound words:amphiaster.
- Greek, combining form of amphí on both sides; cognate with Latin amb(i)- ambi-, Albanian mbë; akin to Old English ymb(e)- around
Collins Concise English Dictionary © HarperCollins Publishers::
amphi- prefix
'amphi' also found in these entries (note: many are not synonyms or translations):
ambi-
- amphi-
- amphibious
- amphimixis
- amphioxus
- amphora
- amphiarthrosis
- amphiaster
- amphibiotic
- amphibolous
- amphibrach
- amphicarpous
- amphicelous
- amphichroic
- amphictyon
- amphidiploid
- amphidromia
- amphidromic point
- amphigenous
- amphigory
- amphikaryon
- amphimacer
- amphipathic
- amphiphile
- amphiploid
- amphipod
- amphiprostyle
- amphiscians
- amphistylar
- amphithalamus
- amphitheater
- amphithecium
- amphithyra
- amphitrichate
- amphitropous
- amphiuma
- amphogenic