Definition of off guard in English:

off guard

Unprepared for some surprise or difficulty: the government was caught off guard by the unexpected announcement
More example sentences
  • As we have already seen the fire can spread very rapidly and may catch the unwary off guard.
  • If I could catch him off guard it would give me just the edge I needed to send him crying into comic oblivion.
  • The sheer size of the dish caught me a little off guard at first, but senses restored, I found the rich pate to be delightful.
Synonyms
unprepared, unready, inattentive, unwary, with one's defenses down, cold, unsuspecting
informal napping, asleep at the wheel
See parent entry: guard

Definition of off guard in:

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Word of the day internecine
Pronunciation: ˌɪntəˈniːsʌɪn
adjective
destructive to both sides in a conflict