To throw a monkey wrench Home The Lexicon To throw a monkey wrench Thumbnail Phrase or WordTo throw a monkey wrenchDefinitionTo take an action that sabotages or frustrates a plan or scheme.LanguageEnglishTypeFaunamorphSubcategoryPrimatesGrammatical SubcategoryVerbs: Actions/States of Being Previous itemTo make a monkey of/out of someone Next itemTo play monkey in the middle
