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.

Mar 30, 2025 · A man has died after a semi-truck and trailer were blown over by ferocious winds during an outbreak of severe weather in Valparaiso Sunday.

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

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”. …

SEMI Standards form the foundation for innovation in the microelectronics industry. The SEMI Standards process has been used to create more than 1000 industry approved standards and …

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 © …

Mar 31, 2025 · According to WXIN, 34-year-old Jagbir Singh of Ontario, Canada was killed after his semi truck was blown over by severe crosswinds while traveling on a property owned by …

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.

Sep 25, 2024 · Despite the use of "semi" in the name, semi-trucks are typically much larger than straight trucks and can carry heftier loads, as the trailers in the back give them increased …

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