We found 31 dictionaries that define the word sixty:

General (25 matching dictionaries)

1. sixty: Merriam-Webster.com
2. sixty: Oxford Learner's Dictionaries
3. sixty: American Heritage Dictionary of the English Language
4. sixty: Collins English Dictionary
5. sixty: Vocabulary.com
6. Sixty, sixty: Wordnik
7. sixty: Cambridge Advanced Learner's Dictionary
8. sixty: Wiktionary
9. sixty: Webster's New World College Dictionary, 4th Ed.
10. sixty: The Wordsmyth English Dictionary-Thesaurus
11. sixty: Infoplease Dictionary
12. sixty: Dictionary.com
13. sixty: Online Etymology Dictionary
14. sixty: Cambridge Essential American English Dictionary
15. Sixty (Hugh Masekela album), Sixty, The Sixty: Wikipedia, the Free Encyclopedia
16. Sixty: Online Plain Text English Dictionary
17. sixty: Webster's Revised Unabridged, 1913 Edition
18. sixty: Rhymezone
19. sixty: AllWords.com Multi-Lingual Dictionary
20. sixty: Webster's 1828 Dictionary
21. sixty: Free Dictionary
22. sixty: Mnemonic Dictionary
23. sixty: Dictionary/thesaurus

Computing (1 matching dictionary)

24. sixty: Encyclopedia

Medicine (1 matching dictionary)

25. sixty: Medical dictionary

Miscellaneous (1 matching dictionary)

26. sixty: Idioms

Science (1 matching dictionary)

27. sixty: MATH SPOKEN HERE!

Slang (2 matching dictionaries)

28. sixty, sixty, sixty: Green’s Dictionary of Slang
29. sixty: Urban Dictionary

(Note: See 60 as well.)

Definitions from WordNet ( ) ▸ noun:  the cardinal number that is the product of ten and six ▸ adjective:  being ten more than fifty Opposite: thirty, young, few, beginning, start Types: sexagesimal, more... Phrases: sixty seconds, sixty five, sixty eight, sixty seven, sixty nine, more... Colors:     silver,     gray,     platinum,     charcoal,     pewter, more... ▸ Word origin ▸ Words similar to sixty ▸ Usage examples for sixty ▸ Idioms related to sixty ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sixty ▸ Popular nouns described by sixty ▸ Words that often appear near sixty ▸ Rhymes of sixty ▸ Invented words related to sixty