unreactive

adjective
un·​re·​ac·​tive | \ˌən-rē-ˈak-tiv \

Definition of unreactive 

: not tending to react : not reactive pupils unreactive to light chemically unreactive solvents

Examples of unreactive in a Sentence

Recent Examples on the Web

Although nitrogen is the most abundant element in air, the molecular form of nitrogen found there is largely unreactive. Diana Gitig, Ars Technica, "Plants repeatedly got rid of their ability to obtain their own nitrogen," 27 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unreactive.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unreactive

1832, in the meaning defined above

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The first known use of unreactive was in 1832

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More Definitions for unreactive

unreactive

adjective
un·​re·​ac·​tive | \-rē-ˈak-tiv \

Medical Definition of unreactive 

: not reactive pupils unreactive to light an unreactive gas

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