Meaning of on guard in English

1. Pronunciation

   US accent

   How to pronounce on guard in American English, in context ▾
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   UK accent

   How to pronounce on guard in British English, in context ▾
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1. Classifying Adjective

   on guard

   Definitions

   1. vigilant

   Examples

   • « on guard against con artists »
   • « must remain on your guard in such a situation »

   Synonyms

   • wary