2 days ago · A fatal multi-vehicle crash involving a semi-truck forced the hourslong closure of the westbound 10 Freeway in Ontario Thursday morning.

The meaning of SEMI is semifinal —often used in plural. How to use semi in a sentence.

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Semi- is a numerical prefix meaning "half". The prefix alone is often used as an abbreviation when the rest of the word (the thing which half of is being described) is clear from context.

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Dec 29, 2025 · semi (plural semis) (UK, Ireland, Australia, Canada, informal) A semi-detached house. quotations 2008, Elliott Placks, quoted in Helen Isbister, Morris Bryant, Property, …

semi-skilled used to describe something that happens twice within a particular time: a semi-weekly appointment (Definition of semi from the Cambridge Business English Dictionary © …

SEMI- definition: a combining form borrowed from Latin, meaning “half,” freely prefixed to English words of any origin, now sometimes with the senses “partially,” “incompletely,” “somewhat”. …

A semi is a large truck that is made in two separate sections, a tractor and a trailer, which are joined together by metal bars.

semi- a combining form meaning “half” (semiannual), “partially,” “somewhat” (semiautomatic; semidetached; semiformal).