← BackshareGuessundesired/ˌʌndɪˈzaɪərd/adjectiveNot wanted or wished for; unwelcome.The software update produced an undesired change in the user interface.The medicine had some undesired side effects, like drowsiness.An undesired visitor showed up at the party and caused tension.SynonymsunwanteduninvitedunwelcomeAntonymswanteddesired