[ ree-ak-tiv ]
/ riˈæk tɪv /
tending to react.
pertaining to or characterized by reaction.
Electricity. pertaining to or characterized by reactance.
OTHER WORDS FROM reactive
re·ac·tive·ly, adverb re·ac·tive·ness, noun an·ti·re·ac·tive, adjective hy·per·re·ac·tive, adjective
non·re·ac·tive, adjective o·ver·re·ac·tive, adjective un·re·ac·tive, adjective
Words nearby reactive
British Dictionary definitions for unreactive (1 of 2)
/ (ˌʌnrɪˈæktɪv) /
(of a substance) not readily partaking in chemical reactions
British Dictionary definitions for unreactive (2 of 2)
/ (rɪˈæktɪv) /
readily partaking in chemical reactions sodium is a reactive metal; free radicals are very reactive
of, concerned with, or having a reactance
responsive to stimulus
(of mental illnesses) precipitated by an external cause reactive depression
Derived forms of reactivereactively, adverb reactivity (ˌriːækˈtɪvɪtɪ) or reactiveness, noun
Medical definitions for unreactive
[ rē-ăk′tĭv ]
Tending to be responsive or to react to a stimulus.
Characterized by reaction.
Tending to participate readily in chemical reactions.