Jump to: General, Art, Business, Computing, Medicine, Miscellaneous, Religion, Science, Slang, Sports, Tech, Phrases 

We found 22 dictionaries with English definitions that include the word headfirst:
Click on the first link on a line below to go directly to a page where "headfirst" is defined.

General (22 matching dictionaries)

1. headfirst: Merriam-Webster.com [home, info]
2. headfirst: American Heritage Dictionary of the English Language [home, info]
3. headfirst: Collins English Dictionary [home, info]
4. headfirst: Vocabulary.com [home, info]
5. headfirst: Wordnik [home, info]
6. headfirst: Cambridge Advanced Learner's Dictionary [home, info]
7. headfirst: Wiktionary [home, info]
8. headfirst: Webster's New World College Dictionary, 4th Ed. [home, info]
9. headfirst: The Wordsmyth English Dictionary-Thesaurus [home, info]
10. headfirst: Infoplease Dictionary [home, info]
11. Headfirst, headfirst: Dictionary.com [home, info]
12. headfirst: UltraLingua English Dictionary [home, info]
13. headfirst: Cambridge Dictionary of American English [home, info]
14. Headfirst: Online Plain Text English Dictionary [home, info]
15. headfirst: Rhymezone [home, info]
16. Headfirst: AllWords.com Multi-Lingual Dictionary [home, info]
17. headfirst: Webster's 1828 Dictionary [home, info]
18. headfirst: Free Dictionary [home, info]
19. headfirst: Mnemonic Dictionary [home, info]
20. headfirst: WordNet 1.7 Vocabulary Helper [home, info]
21. headfirst: LookWAYup Translating Dictionary/Thesaurus [home, info]
22. headfirst: Dictionary/thesaurus [home, info]

Quick definitions from WordNet (headfirst) ▸ adjective:  with the head foremost ("A headfirst plunge down the stairs") ▸ adverb:  with the head foremost ▸ Words similar to headfirst ▸ Usage examples for headfirst ▸ Popular nouns described by headfirst ▸ Words that often appear near headfirst ▸ Rhymes of headfirst ▸ Invented words related to headfirst