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Definitions

in situ

[in sahy-too, -tyoo, see-, in sit-oo] / ɪn ˈsaɪ tu, -tyu, ˈsi-, ɪn ˈsɪt u /
ADJECTIVE
sitting
Synonyms
STRONGEST
WEAK
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are other conditions highlighted that need to be in situ at this point for a stock market rally to develop.

From MarketWatch • Mar. 6, 2026

The team expects progress in the near future, especially as in situ resource use becomes increasingly important for long duration missions to the Moon and Mars.

From Science Daily • Dec. 25, 2025

Potential bidders will be allowed to see it in situ, he said, but they won’t be allowed to use it.

From The Wall Street Journal • Oct. 31, 2025

These include leaving some of the waste in situ and placing a soil cap on top of it, upon which plants would be cultivated to help absorb pollutants.

From BBC • Sep. 3, 2025

Diagnosing carcinoma in situ had only been possible since 1941, when George Papanicolaou, a Greek researcher, published a paper describing a test he’d developed, now called the Pap smear.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot