unprovoked Synonyms

wanton motiveless unexcused wicked unwarranted unreasonable unjust unfounded unfair undue willful wrongful undeserved unjustifiable imbalanced unjustified unsupported unmotivated unmerited meaningless unnecessary unconscionable uncalled-for senseless empty easy deliberate causeless capricious baseless baroscopic barometrical excessive gratuitous groundless purposeless needless malicious loose light indefensible inappropriate immoderate arbitrary