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We found 33 dictionaries with English definitions that include the word aught:
Click on the first link on a line below to go directly to a page where "aught" is defined.

General (29 matching dictionaries)

1. aught: Merriam-Webster.com [home, info]
2. aught, aught: Oxford Dictionaries [home, info]
3. aught, aught: American Heritage Dictionary of the English Language [home, info]
4. aught: Collins English Dictionary [home, info]
5. aught: Vocabulary.com [home, info]
6. aught, aught: Macmillan Dictionary [home, info]
7. Aught, aught: Wordnik [home, info]
8. aught: Wiktionary [home, info]
9. aught: Webster's New World College Dictionary, 4th Ed. [home, info]
10. aught: The Wordsmyth English Dictionary-Thesaurus [home, info]
11. aught: Infoplease Dictionary [home, info]
12. Aught, aught: Dictionary.com [home, info]
13. aught (1), aught (2): Online Etymology Dictionary [home, info]
14. aught: UltraLingua English Dictionary [home, info]
15. Aught: Wikipedia, the Free Encyclopedia [home, info]
16. Aught: Online Plain Text English Dictionary [home, info]
17. aught: Webster's Revised Unabridged, 1913 Edition [home, info]
18. aught: Rhymezone [home, info]
19. Aught: AllWords.com Multi-Lingual Dictionary [home, info]
20. aught: Webster's 1828 Dictionary [home, info]
21. aught: All About Homonyms [home, info]
22. aught: Free Dictionary [home, info]
23. aught: The Phrontistery - A Dictionary of Obscure Words [home, info]
24. aught: Mnemonic Dictionary [home, info]
25. aught: WordNet 1.7 Vocabulary Helper [home, info]
26. aught: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. aught: Dictionary/thesaurus [home, info]

Computing (1 matching dictionary)

28. aught: Encyclopedia [home, info]

Miscellaneous (1 matching dictionary)

29. aught, aught: A Word A Day [home, info]

Science (1 matching dictionary)

30. aught (/0): How Many? A Dictionary of Units of Measurement [home, info]

Slang (1 matching dictionary)

31. aught: Urban Dictionary [home, info]

(Note: See aughts for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (aught) ▸ noun:  a quantity of no importance ("It was all for naught") ▸ Also see aughts ▸ Word origin ▸ Words similar to aught ▸ Usage examples for aught ▸ Popular adjectives describing aught ▸ Words that often appear near aught ▸ Rhymes of aught ▸ Invented words related to aught