half-

prefix

half or partial; not complete

Meanings

prefix
  1. 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.

Synonyms & antonyms

prefixhalf or partial; not complete

Origin

  1. Proto-Germanic*halba-“half-”
  2. Old Englishhealf-
  3. Middle Englishhalf-
  4. Englishhalf-

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.

Full word history & related roots →

Translations

Bulgarian полу-
  • полу- (polu-)prefix denoting half or partial — see also semi-, hemi-, demi-
German halb-, Halb-
  • halb-prefix denoting half or partial — see also semi-, hemi-, demi-
  • Halb-prefix denoting half or partial — see also semi-, hemi-, demi-
Greek ημι-
  • ημι- (imi-)prefix denoting half or partial — see also semi-, hemi-, demi-
Icelandic hálf-
  • hálf-prefix denoting half or partial — see also semi-, hemi-, demi-
Latin sēmi-
  • sēmi-prefix denoting half or partial — see also semi-, hemi-, demi-
Polish pół-
  • pół-prefix denoting half or partial — see also semi-, hemi-, demi-
Russian полу-
  • полу- (polu-)prefix denoting half or partial — see also semi-, hemi-, demi-
Cite this entry
APA

half-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/half-

MLA

“half-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/half-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “half-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/half-.

Source: half- on Wiktionary, CC BY-SA 4.0.