We found 7 dictionaries that define the word on principle:

General (6 matching dictionaries)

1. on principle: Merriam-Webster
2. on principle: Oxford Learner's Dictionaries
3. on principle: Collins English Dictionary
4. on principle: Wiktionary
5. on principle: Dictionary.com
6. on principle: TheFreeDictionary.com

Miscellaneous (1 matching dictionary)

7. on principle: Idioms

Phrases: An Essay on the Principle of Population, On the Fourfold Root of the Principle of Sufficient Reason, more... ▸ Words similar to on principle ▸ Usage examples for on principle ▸ Idioms related to on principle ▸ Wikipedia articles (New!) ▸ Words that often appear near on principle ▸ Rhymes of on principle ▸ Invented words related to on principle