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Word of the Day Wednesday, June 10, 2026

unreactive

/ˌʌnriːˈæktɪv/ adjective · British & US
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What does unreactive mean?

adjective

Not reacting or responding to a stimulus; not easily excited or disturbed. Lacking reactivity or responsiveness.

Example

"The unreactive metal was used in the production of catalysts."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for unreactive

Antonyms of unreactive

Rhymes with unreactive

Etymologically related