Found 2 items, similar to mettlesomely.
English → English (WordNet) Definition: mettlesome mettlesome adj 1: having a proud and unbroken spirit 2: willing to face danger [syn: game, gamy, gamey, gritty, spirited, spunky]
English → English (gcide) Definition: Mettlesomely Mettlesome \Met"tle*some\, a. Full of spirit; possessing constitutional ardor; fiery; as, a mettlesome horse. [1913 Webster] -- Met"tle*some*ly, adv. -- Met"tle*some*ness, n. [1913 Webster]