Hypo-

//ˈhaɪpəʊ// prefix

prefix ·Rare ·Advanced level

Definitions

Prefix
  1. 1
    Below; beneath; under. morpheme
  2. 2
    Deficient; less than normal. morpheme
  3. 3
    Designating oxoacid and oxyanions with a low amount of oxygen. morpheme
  4. 4
    Having a range which extends from a perfect fourth below the tonic to a perfect fifth above. morpheme

Synonyms

All synonyms
subunderdysinframal

Etymology

From Ancient Greek ὑπο- (hupo-), combining form of ὑπό (hupó, “under”). Doublet of sub-. Etymology tree Ancient Greek ὑπο- (hupo-)der. English hypo-

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.