We found 26 dictionaries that define the word USAF:

General (21 matching dictionaries)

1. usaf: Longman Dictionary of Contemporary English
2. USAF, USAF: Merriam-Webster
3. USAF: Oxford Learner's Dictionaries
4. USAF: American Heritage Dictionary of the English Language
5. USAF: Collins English Dictionary
6. USAF: Vocabulary.com
7. usaf: Wordnik
8. the USAF, the usaf: Cambridge Advanced Learner's Dictionary
9. USAF: Wiktionary
10. USAF: Webster's New World College Dictionary, 4th Ed.
11. USAF: The Wordsmyth English Dictionary-Thesaurus
12. U.S.A.F: Infoplease Dictionary
13. USAF(RET), USAF, u.s.a.f: Dictionary.com
14. USAF (disambiguation), USAF, Usaf: Wikipedia, the Free Encyclopedia
15. Usaf: Rhymezone
16. USAF: Stammtisch Beau Fleuve Acronyms
17. usaf: FreeDictionary.org
18. usaf: Mnemonic Dictionary
19. USAF: TheFreeDictionary.com

Computing (1 matching dictionary)

20. USAF: Encyclopedia

Miscellaneous (2 matching dictionaries)

21. USAF(RET), USAF: Acronym Finder
22. AbbreviationZ (No longer online)

Tech (2 matching dictionaries)

23. USAF: GEOGRAPHIC INFORMATION SYSTEMS, CARTOGRAPHY, AND REMOTE SENSING
24. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

(Note: See usafs as well.)

Definitions from Wiktionary (USAF) ▸ noun:  Initialism of United States Air Force. Similar: USMC, ROTC, airforce, nellis, WWII, USCG, Lockheed, JROTC, Quantico, Ayub, more... Types: army, navy, air force, marine corps, coast guard, more... Phrases: the usaf, 1951 USAF resolution test chart, USAF units and aircraft of the Korean War, 2010 Alaska USAF C-17 crash, 1996 Croatia USAF CT-43 crash, more... Adjectives: 800, 423, new, non, courtesy, entire, uniformed, 232, raf, independent, active ▸ Words similar to USAF ▸ Usage examples for USAF ▸ Idioms related to USAF ▸ Wikipedia articles (New!) ▸ Popular adjectives describing USAF ▸ Words that often appear near USAF ▸ Rhymes of USAF ▸ Invented words related to USAF