semi-


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semi-

(word root) half, partially
Examples of words with the root semi-: semicircle, semiautomatic
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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-]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations

semi-

[ˈsɛmi-] prefixsemi-
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

semi-

prefhalb-, Halb-
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

semi-

[ˈsɛmɪ] prefsemi-
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

semi-

(semi)
1. half, as in semicircle.
2. partly, as in semi-conscious.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in classic literature ?
But as to these terms, semi-family and semi-stranger, semi-goring and semi- boring, they form a state of things quite amusing in its impracticability.
And like a member of a dynasty, feeling a semi- mystical bond with the dead, I was profoundly shocked by my immediate predecessor.
As I once more shouldered my pack and went my way, the character of the country side began to change, and, from a semi- pastoral heathiness and furziness, took on a wildness of aspect, which if indeed melodramatic was melodrama carried to the point of genius.