Meaning of HALF in English
n. 25B6; adjective a half grapefruit : HALVED, divided in two.
half-cooked chicken : PARTIALLY, partly, incompletely, inadequately, insufficiently; in part, part, slightly.
I'm half inclined to believe you : TO A CERTAIN EXTENT/DEGREE, to some extent/degree, (up) to a point, in part, partly, in some measure.
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012