unplanned -- (without apparent forethought or prompting or planning; "an unplanned economy"; "accepts an unplanned order"; "an unplanned pregnancy"; "unplanned remarks")
unintentional, unplanned, unwitting -- (not done with purpose or intent; "an unintended slight"; "an unintentional pun"; "the offense was unintentional"; "an unwitting mistake may be overlooked")
(TTS Sound)
