Dismettled :: Dismettled (a.) Destitute of mettle, that is, or fire or spirit..
High-mettled :: High-mettled (a.) Having abundance of mettle; ardent; full of fire; as, a high-mettled steed..
Mettle :: Mettle (n.) Substance or quality of temperament; spirit, esp. as regards honor, courage, fortitude, ardor, etc.; disposition; -- usually in a good sense..
Mettled :: Mettled (a.) Having mettle; high-spirited; ardent; full of fire.
Mettlesome :: Mettlesome (a.) Full of spirit; possessing constitutional ardor; fiery; as, a mettlesome horse..