We found 26 dictionaries that define the word longer:

General (19 matching dictionaries)

1. longer: Merriam-Webster
2. longer: Oxford Learner's Dictionaries
3. longer: Collins English Dictionary
4. longer: Vocabulary.com
5. Longer, longer: Wordnik
6. longer: Cambridge Advanced Learner's Dictionary
7. longer: Wiktionary
8. Longer, longer: Dictionary.com
9. longer: Cambridge Essential American English Dictionary
10. Longer (song), Longer: Wikipedia, the Free Encyclopedia
11. Longer: Online Plain Text English Dictionary
12. longer: Webster's Revised Unabridged, 1913 Edition
13. longer: Rhymezone
14. Longer: AllWords.com Multi-Lingual Dictionary
15. longer: Webster's 1828 Dictionary
16. longer: FreeDictionary.org
17. longer: Mnemonic Dictionary
18. longer: TheFreeDictionary.com
19. longer: Wikimedia Commons US English Pronunciations

Business (3 matching dictionaries)

20. longer: Merriam-Webster Legal Dictionary
21. longer: Legal dictionary
22. longer: Financial dictionary

Computing (1 matching dictionary)

23. longer: Encyclopedia

Medicine (1 matching dictionary)

24. longer: Medical dictionary

Miscellaneous (1 matching dictionary)

25. longer: Idioms

Slang (1 matching dictionary)

26. longer: Urban Dictionary

(Note: See long as well.)

Definitions from Wiktionary (longer) ▸ noun:  One who longs or yearns for something. Similar: shorter, lengthy, less, better, Harder, quicker, faster, stronger, shorten, fuller, more... Opposite: shorter, briefer, smaller, lesser, fewer Types: epic, lyric, dramatic, comic, tragic, historical, pastoral, lyrical, epical, more... Phrases: no longer, any longer, longer term, longer lasting, longer distance, more... Adjectives: live, little, much, last, how, while, best, young, historic, look, linger Colors:     crimson,     burgundy,     maroon,     mahogany,     chestnut, more... ▸ Words similar to longer ▸ Usage examples for longer ▸ Idioms related to longer ▸ Wikipedia articles (New!) ▸ Popular adjectives describing longer ▸ Words that often appear near longer ▸ Rhymes of longer ▸ Invented words related to longer