Meanings
-
1
verb
To behave in a particular way because of something that has happened.
How did she react to the news?
-
2
verb
(chemistry) To change when combined with another substance.
Sodium reacts violently with water.
-
3
verb
To act in opposition to something you dislike.
Many young people react against their parents' rules.
Thesaurus
Word family
Forms
reactedreactingreacts
Derived forms
autoreactbackreactcrossreacthyperreactimmunoreactimmunoreactedmisreactnonreactedoverreactreactabilityreactablereactance
Related forms
interreactinterreaction
Etymology
From re- + act. Piecewise doublet of redact.
View etymology graph ->