We found 3 dictionaries that define the word be in deep water:

General (2 matching dictionaries)

1. be in deep water: Cambridge Advanced Learner's Dictionary
2. be in deep water: Longman Dictionary of Contemporary English

Miscellaneous (1 matching dictionary)

3. be in deep water: Idioms

▸ Words similar to be in deep water ▸ Usage examples for be in deep water ▸ Idioms related to be in deep water ▸ Wikipedia articles (New!) ▸ Words that often appear near be in deep water ▸ Rhymes of be in deep water ▸ Invented words related to be in deep water