We found 14 dictionaries that define the word but then:

General (12 matching dictionaries)

1. but then: Merriam-Webster
2. but then: Oxford Learner's Dictionaries
3. but then: Vocabulary.com
4. but then (again): Cambridge Advanced Learner's Dictionary
5. but then: Wiktionary
6. but then: Dictionary.com
7. but then: Rhymezone
8. but then: FreeDictionary.org
9. but then: Mnemonic Dictionary
10. but then: TheFreeDictionary.com

Business (1 matching dictionary)

11. but then: Legal dictionary

Slang (1 matching dictionary)

12. but then: Urban Dictionary

Definitions from WordNet (but then) ▸ adverb:  (contrastive) from another point of view Opposite: however, yet, nevertheless, nonetheless, still Types: however, nonetheless, still, yet, although, even though, in spite of, despite, more... Phrases: but then again, I'd Tell You I Love You, But Then I'd Have to Kill You, a woman who flirts but then kills, but then he, more... ▸ Words similar to but then ▸ Usage examples for but then ▸ Idioms related to but then ▸ Wikipedia articles (New!) ▸ Words that often appear near but then ▸ Rhymes of but then ▸ Invented words related to but then