noun “mistake”
 singular mistake, plural mistakes
- something that is incorrect or wrong; an error Sign up to see the translation of definitions and examples into any language. 
 He realized his mistake when he saw the correct answer. 
verb “mistake”
 infinitive mistake; he mistakes; past tense mistook; past part. mistaken; ger. mistaking
- (with "for") to wrongly identify someone or something; to confuse with another person or thing She mistook the stranger for her friend from college. 
- (with "as") to misunderstand or misinterpret something He mistook her silence as agreement, but she was actually upset.