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.

Keep scrolling for more

Learn More about unreactive

Dictionary Entries near unreactive

Statistics for unreactive

Look-up Popularity

Time Traveler for unreactive

The first known use of unreactive was in 1832

See more words from the same year

Keep scrolling for more

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

Comments on unreactive

What made you want to look up unreactive? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

panoply

a magnificent or impressive array

Test Your Vocabulary

Name that Food Quiz

Name these cookies!

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Words at Play

Ask the Editors

Word Games