We found 5 dictionaries that define the word on the safe side:

General (4 matching dictionaries)

1. on the safe side: Collins English Dictionary
2. on the safe side: Wiktionary

Miscellaneous (1 matching dictionary)

3. on the safe side: Idioms

Phrases: to be on the safe side, more... ▸ Words similar to on the safe side ▸ Usage examples for on the safe side ▸ Idioms related to on the safe side ▸ Wikipedia articles (New!) ▸ Words that often appear near on the safe side ▸ Rhymes of on the safe side ▸ Invented words related to on the safe side