malfunction

From Wiktionary

Pronunciation[change]

Noun[change]

Singular
malfunction

Plural
malfunctions

  1. A malfunction is a bad functioning or failure to function.

Verb[change]

Plain form
malfunction

Third-person singular
malfunctions

Past tense
malfunctioned

Past participle
malfunctioned

Present participle
malfunctioning

  1. When an object (normally machines) malfunction, it functions badly or stop functioning.
    The automobile malfunctioned yesterday.