Semi-

//sɛmi// prefix

prefix ·Rare ·Advanced level

Definitions

Prefix
  1. 1
    half morpheme

    "semi-invalid."

  2. 2
    partial, incomplete morpheme
  3. 3
    somewhat, rather, quasi- morpheme

    "Nothing like a nice hot ethnic dish before you go to see that semi-expensive, semi-meaningful Off-Broadway show."

Synonyms

All synonyms
demihalfhemiishquasi

Example

More examples

"Nothing like a nice hot ethnic dish before you go to see that semi-expensive, semi-meaningful Off-Broadway show."

Etymology

Borrowed from Latin semi- (“half”), from Proto-Indo-European *sēmi/*sēmi-. Cognate to English sam, and to hemi- (via Ancient Greek).

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