Gnar \Gnar\, v. i. [imp. & p. p. {Gnarred}; p. pr. & vb. n. {Gnarring}.] [See {Gnarl}.] To gnarl; to snarl; to growl; -- written also gnarr. [Archaic] At them he gan to rear his bristles strong, And felly gnarre. --Spenser. A thousand wants Gnarr at the heels of men. --Tennison.