Found 2 items, similar to Headfirst.
English → English (WordNet) Definition: headfirst headfirst adj : with the head foremost; “a headfirst plunge down the stairs”; “a headlong dive into the pool” [syn: headlong] adv : with the head foremost; “the runner slid headlong into third base” [syn: headlong]
English → English (gcide) Definition: Headfirst Headfirst \Head`first"\ (h[e^]d"f[~e]rst`), Headforemost \Head`fore"most`\ (h[e^]d`f[=o]r"m[=o]st`), adv. With the head foremost; -- of motion. [1913 Webster]