We found 19 dictionaries that define the word ahead of time:

General (15 matching dictionaries)

1. ahead of time: Merriam-Webster
2. ahead of time: Oxford Learner's Dictionaries
3. ahead of time: Collins English Dictionary
4. ahead of time: Vocabulary.com
5. ahead of time: Cambridge Advanced Learner's Dictionary
6. ahead of time: Wiktionary
7. ahead of time: Dictionary.com
8. Ahead of Time (film): Wikipedia, the Free Encyclopedia
9. ahead of time: Rhymezone
10. ahead of time: FreeDictionary.org
11. ahead of time: Mnemonic Dictionary
12. ahead of time: TheFreeDictionary.com
13. ahead of time: Merriam-Webster

Business (1 matching dictionary)

14. ahead of time: Legal dictionary

Computing (1 matching dictionary)

15. ahead of time: Encyclopedia

Medicine (1 matching dictionary)

16. ahead of time: Medical dictionary

Miscellaneous (1 matching dictionary)

17. ahead of time: Idioms

Definitions from WordNet (ahead of time) ▸ adverb:  before the usual time or the time expected ("The house was completed ahead of time") Opposite: late, behind, delayed Types: early, on time, late, previous, next, more... Phrases: ahead of its time, ahead of one's time, ahead of ones time, Ahead of Their Time, decide on ahead of time, more... ▸ Words similar to ahead of time ▸ Usage examples for ahead of time ▸ Idioms related to ahead of time ▸ Wikipedia articles (New!) ▸ Words that often appear near ahead of time ▸ Rhymes of ahead of time ▸ Invented words related to ahead of time