Half-

prefix

prefix ·Rare ·Advanced level

Definitions

Prefix
  1. 1
    half or partial; not complete morpheme
  2. 2
    Used before brother, sister, uncle, aunt, and so forth, to indicate that the person being identified is related only through one parent, grandparent, and so forth, rather than two. morpheme

Synonyms

All synonyms
demisemihemi

Etymology

From Middle English half-, from Old English healf-, from Proto-Germanic *halba- (“half-”), from *halbaz (“half”). Cognate with Dutch half- (“half-”), German halb- (“half-”), Swedish halv- (“half-”), Icelandic hálf- (“half-”). More at half.

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