Meaning of SEMI- in English

SEMI-

prefix 1 half (semicircle). 2 partly; in some degree or particular (semi-official; semi-detached). 3 almost (a semi-smile). 4 occurring or appearing twice in a specified period (semi-annual). [F, It., etc. or L, corresp. to Gk HEMI-, Skr. sami]

English main colloquial, spoken dictionary.      Английский основной разговорный словарь.