semi
[ sem-ee, sem-ahy ]
/ ˈsɛm i, ˈsɛm aɪ /
noun Informal.
Often semis.
semifinal(def 3).
Origin of semi
by shortening
Words nearby semi
Definition for semi (2 of 2)
semi-
a combining form borrowed from Latin, meaning “half,” freely prefixed to English words of any origin, now sometimes with the senses “partially,” “incompletely,” “somewhat”: semiautomatic; semidetached; semimonthly; semisophisticated.
Origin of semi-
Middle English < Latin
sēmi-; cognate with Old English
sōm-, sām- half (modern dial.
sam-), Old High German
sāmi-, Sanskrit
sāmi-, Greek
hēmi-; cf.
sesqui-
usage note for semi-
See
bi-1.
Example sentences from the Web for semi
British Dictionary definitions for semi (1 of 2)
semi
/ (ˈsɛmɪ) /
noun plural semis
British
a semidetached house
short for semifinal
US, Canadian, Australian and NZ short for semitrailer
British Dictionary definitions for semi (2 of 2)
semi-
prefix
half
semicircle Compare demi- (def. 1), hemi-
partially, partly, not completely, or almost
semiprofessional; semifinal
occurring twice in a specified period of time
semiannual; semiweekly
Word Origin for semi-
from Latin; compare Old English
sōm-, sām- half, Greek
hēmi-
Medical definitions for semi
semi-
pref.
Half:semicanal.
Partial; partially:semiconscious.
Resembling or having some of the characteristics of:semilunar.
Scientific definitions for semi
semi-
A prefix that means half, (as in semicircle, half a circle) or partly, somewhat, less than fully, (as in semiconscious, partly conscious).