semi-

(word root) half, partiallyExamples of words with the root semi-: semicircle, semiautomatic

semi-

pref.1. Half: semicircle.2. Partial; partially: semiconscious.3. Resembling or having some of the characteristics of: semiofficial.4. Occurring twice during: semimonthly. See Usage Note at bi-¹.

[Middle English, from Latin sēmi-, half; see sēmi- in Indo-European roots.]

semi-

prefix 1. half: semicircle. Compare demi-¹, hemi- 2. partially, partly, not completely, or almost: semiprofessional; semifinal. 3. occurring twice in a specified period of time: semiannual; semiweekly. [from Latin; compare Old English sōm-, sām- half, Greek hēmi-]

sem•i

(ˈsɛm i, ˈsɛm aɪ)

n. 1. a semitrailer. 2. Often, semis. a semifinal contest or round. [1940–45; by shortening]

semi-

a combining form meaning “half” (semiannual), “partially,” “somewhat” (semiautomatic; semidetached; semiformal). [Middle English < Latin sēmi-, c. Old English sōm-, sām- half (modern dial. sam-), Old High German sāmi-, Greek hēmi-, Skt sāmi-; compare sesqui-] usage: See bi-¹.

semi-

1. A prefix that means "half," as in semicircle, half a circle.2. A prefix that means "partly," "somewhat," or "less than fully," as in semiconscious, partly conscious.

Translations

semi-

(semi) 1. half, as in semicircle. 半2. partly, as in semi-conscious. 部分的

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