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View synonyms for

semi

1

[ sem-ee, sem-ahy ]

semi-

2
  1. 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.

semi

1

/ ˈɛɪ /

noun

  1. a semidetached house
  2. short for semifinal
  3. short for semitrailer
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

semi-

2

prefix

  1. half Compare demi- hemi-

    semicircle

  2. partially, partly, not completely, or almost

    semifinal

    semiprofessional

  3. occurring twice in a specified period of time

    semiannual

    semiweekly

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

𳾾–

  1. A prefix that means “half,” (as in semicircle, half a circle) or “partly, somewhat, less than fully,” (as in semiconscious, partly conscious).
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Confusables Note

See bi- 1.
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Word History and Origins

Origin of semi1

By shortening

Origin of semi2

Middle English < Latin ŧ-; cognate with Old English sōm-, sām- half (modern dial. sam- ), Old High German 峾-, Sanskrit 峾-, Greek ŧ-; sesqui-
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Word History and Origins

Origin of semi1

from Latin; compare Old English sōm-, sām- half, Greek ŧ-
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Example Sentences

Examples have not been reviewed.

Tesla will also stop importing Chinese parts for its electric semi truck.

From

By doing the reduction work close to the disaster site, debris that initially filled three or four dump trucks can be consolidated into one large semi tractor-trailer load.

From

That place has only got better after a deserved win over United pushed them closer to a fairytale finale this season, with an FA Cup semi final against Manchester City part of it.

From

White went on to score wins over Josh Rock and Cameron Menzies in the quarters and semis before he came unstuck against Price.

From

"Not a lot is missing. It's missing a little bit because now we are consecutive in semis and finals. It's just a little step to bring it over the line," Tuchel said.

From

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