malfunction

(noun, verb)

noun

1. a failure to function normally

Definition categories: event, failure

verb

1. fail to function or function improperly

- the coffee maker malfunctioned

Similar word(s): misfunction

Definition categories: contact, break, die, fail, go

Sentences with malfunction as a verb:

- She told him the machine was poorly built, but they both knew that she was the one who had malfunctioned.