Synonyms of overreact in English:

overreact


See definition of overreact

verb

1‘parents should set children a good example rather than overreact’

SYNONYMS

get upset over nothing, react disproportionately, get overexcited, go too far, act irrationally, lose one's sense of proportion, exaggerate, make something out of nothing, make a mountain out of a molehill, blow something up out of all proportion

informal hit the panic button, press the panic button, push the panic button

British informal go over the top

ANTONYMS

be impassive, be cool