We found 7 dictionaries that define the word on your guard:

General (7 matching dictionaries)

1. on your guard: Longman Dictionary of Contemporary English
2. on your guard: Vocabulary.com
3. on your guard: Dictionary.com
4. on your guard: Rhymezone
5. on your guard: FreeDictionary.org
6. on your guard: Mnemonic Dictionary
7. on your guard: TheFreeDictionary.com

Definitions from WordNet (on your guard) ▸ adjective:  vigilant ("Must remain on your guard in such a situation") Opposite: off one's guard, unprepared, unwary ▸ Words similar to on your guard ▸ Usage examples for on your guard ▸ Idioms related to on your guard ▸ Wikipedia articles (New!) ▸ Popular nouns described by on your guard ▸ Words that often appear near on your guard ▸ Rhymes of on your guard ▸ Invented words related to on your guard