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Webster Dictionary (0.00 / 0 votes) Rate this definition: Amphi- a prefix in words of Greek origin, signifying both, of both kinds, on both sides, about, around
Prefixes. a(n) (without, not, no) amoral, anaerobic, anarchy, apathy, asymmetrical. ab (from, away from, down from) absent, absorb, abstract, abdomen. ad (attached to, on, increase) adhere, adductor, adrenal. ag (together, gather) aggregate, agora. ambi (both, around) ambidextrous, ambiguous, ambivalent. amphi (both, in) amphibian, amphitheater