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.

Dec 31, 2025 · KINGMAN — A Golden Valley man was pronounced dead in a semi-trailer crash in downtown Kingman.

Semi - is a combining form used like a prefix meaning “half.” In some instances, it is used figuratively to mean "partially," "incompletely," or "somewhat."

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

semi noun [C] (VEHICLE) US (UK articulated lorry) a large truck for carrying goods, consisting of a strong front part that pulls a large box-like container behind it

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.

SEMI Is the global industry association representing the electronics manufacturing supply chain, connecting over 2,000 member companies and 1.3 million professionals worldwide.

SEMI connects more than 2,500 member companies and 1.3 million professionals worldwide to advance the technology and business of electronics design and manufacturing.

Dec 29, 2025 · Adverb [edit] semi (not comparable) (informal) Somewhat; to some extent. quotations

Semi- combines with adjectives and nouns to form other adjectives and nouns that describe someone or something as being partly, but not completely, in a particular state.