We found 13 dictionaries that define the word O'Hara:

General (11 matching dictionaries)

1. O'Hara: Merriam-Webster
2. O'Hara: Vocabulary.com
3. O'Hara, OHara, OHara, Ohara, ohara: Wordnik
4. O'Hara: Wiktionary
5. O'Hara: Webster's New World College Dictionary, 4th Ed.
6. o'hara, ohara: Dictionary.com
7. O'Hara, O'Hara (disambiguation), O'Hara (surname), Ohara (TV series), Ohara (surname), Ohara: Wikipedia, the Free Encyclopedia
8. O'hara, Ohara: Rhymezone
9. ohara: FreeDictionary.org
10. o'hara: Mnemonic Dictionary
11. O'Hara: TheFreeDictionary.com

Computing (1 matching dictionary)

12. O'Hara: Encyclopedia

Slang (1 matching dictionary)

13. O'Hara, ohara: Urban Dictionary

Definitions from WordNet (O'hara) ▸ noun:  United States writer (1905-1970) Phrases: john henry ohara, burke robert ohara, ohara frank, ohara john, Sayaka Ohara, more... ▸ Words similar to O'Hara ▸ Usage examples for O'Hara ▸ Idioms related to O'Hara ▸ Wikipedia articles (New!) ▸ Popular adjectives describing O'Hara ▸ Words that often appear near O'Hara ▸ Rhymes of O'Hara ▸ Invented words related to O'Hara