unprovoked

美音音标: [.ʌnprə'vəʊkt] unprovoked
英音音标: [.ʌnprə'vəʊkt] result.0.expl|add:"

同义
motiveless unprovoked wanton
词性
s
解释
occurring without motivation or provocation
示例
motiveless malignity|unprovoked and dastardly attack