IELTS react Definition To respond to a stimulus, action, or situation. Example "She reacted angrily when she heard the unfair decision." Sign in to save IELTS Quiz → ← razor reactionary → Study tips featuring "react" Study the Exact Words Examiners Use Audit Your Own Writing for Lexical Resource Explain New Words Out Loud To Yourself Related words TOEFL brighten IELTS startle GRE abide SAT abnormal TOEFL aboard TOEFL abolition IELTS upward TOEFL abort IELTS abortion SAT abrupt SAT absence TOEFL absent