English Explanatory Dictionary

semi-

English dictionary entry

Meanings

prefix
  1. half
  2. partial, incomplete
  3. somewhat, rather, quasi-

Pronunciation

/sɛmi/ /sɛmaɪ/ LL-Q1860 (eng)-I learned some phrases-semi.wav en-us-semi-.wav

Word forms

semi- sem-

Etymology

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

Synonyms

half- hemi- demi- quasi- -ish

Derived words

semiflat
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