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We found 12 dictionaries with English definitions that include the word boneheaded: Click on the first link on a line below to go directly to a page where "boneheaded" is defined. General (12 matching dictionaries) boneheaded: Collins English Dictionary [home, info] boneheaded: Vocabulary.com [home, info] boneheaded: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Boneheaded, boneheaded: Wordnik [home, info] boneheaded: Wiktionary [home, info] boneheaded: Dictionary.com [home, info] boneheaded: Rhymezone [home, info] boneheaded: Free Dictionary [home, info] boneheaded: Mnemonic Dictionary [home, info] boneheaded: WordNet 1.7 Vocabulary Helper [home, info] boneheaded: LookWAYup Translating Dictionary/Thesaurus [home, info] boneheaded: Dictionary/thesaurus [home, info] (Note: See bonehead for more definitions.)

Quick definitions from WordNet (boneheaded) ▸ adjective:  used informally ▸ Also see bonehead