off your guard

Also found in: Thesaurus, Idioms.
Related to off your guard: catch off guard
ThesaurusAntonymsRelated WordsSynonymsLegend: your guard - not prepared or vigilantoff your guard - not prepared or vigilant; "the blow caught him napping"; "caught in an off-guard moment"; "found him off his guard"
unready - not prepared or in a state of readiness; slow to understand or respond; "she cursed her unready tongue"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
My mother's object was to make herself thoroughly acquainted with you, and to throw you off your guard by speaking in the character of a stranger.
'I want to appeal to you not let off your guard for a moment until victory is assured in all the elections.
The title puts you off your guard because you think that it is just going to be an easy, humorous story.