Part of speech:
To omit to perform (an expected duty, for example):
To misbehave is to behave badly.
To grow vigorously; flourish:
Find another word for malfunctioning. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for malfunctioning, like: nonfunctional, functioning, failing, misbehaving and thriving.