We found 2 dictionaries that define the word drop one's guard:

General (2 matching dictionaries)

1. drop one's guard: Oxford Learner's Dictionaries
2. drop one's guard: Wiktionary

Definitions from Wiktionary (drop one's guard) ▸ verb:  Synonym of lower one's guard ▸ Words similar to drop one's guard ▸ Usage examples for drop one's guard ▸ Idioms related to drop one's guard ▸ Wikipedia articles (New!) ▸ Words that often appear near drop one's guard ▸ Rhymes of drop one's guard ▸ Invented words related to drop one's guard