semi

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semi

/ˈsɛmi/ UK
/ˈsɛmi/ US
/ˈsɛmaɪ/ US

Rhymes with -ɛmi

Where it comes from

The prefix semi- (from Latin) used as a noun.

noun semis

Australia, Canada, Ireland, UK, informal A semi-detached house. 2008, Elliott Placks, quoted in Helen Isbister, Morris Bryant, Property, Career FAQs, Australia, page 40, I′m selling two side-by-side semis that are currently under construction, a waterfront apartment and a house in Rose Bay.
Australia, Canada, New Zealand, US A semi-trailer; a tractor-trailer; an eighteen-wheeler; an artic. I was hungry an' freezin' an' done caught a chill / When the lights of a big semi topped the hill
informal A semifinal.
slang A partial erection of the penis. The twink got a semi just from that look.
slang A semiautomatic firearm. See these niggas through the reticle sight up on my semi […] For niggas plottin', I might blow it at your fitted Get your bitch-ass slimed out, it ain't no kiddin' Ain't no kiddin', got that semi
slang Semiconductor companies or positions in the stock market.
colloquial An intermediate in the production of end-use goods. Mining companies crush and grind the extracted ore, and then use flotation processes to produce copper concentrates, which typically contain up to 30 percent copper. These concentrates are then smelted to produce copper blister, which has a purity of up to 99 percent. The blister is further refined

adverb

informal, not comparable Somewhat; to some extent. 'Is that a serious question?' he asked. Ralph shrugged with his face, jutting out his bottom lip. 'Well ... semi,' he said.

Thesaurus

Closest in meaning: tractor trailer, semitrailer, trailer truck, articulated lorry, fractional, similar, semifinal, paramilitary, lorry, tractor-trailer, truck, semi-trailer, trailer, peninsula, half-price, subdivision

Translations

Every language

noun semi-erection

Português	meia-bomba
Français	demi-molle

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MLA

"semi." Wiktionary, via Micwyn, micwyn.com/word/semi. Accessed 6 Nov. 2026.

APA

semi. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/semi

Chicago

"semi." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/semi.

BibTeX

@misc{semi_2026,
  title = {semi},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/semi},
  urldate = {2026-11-06}
}