(transitive) To knot or twist something.

Gnarled, knotty, twisted.

(intransitive) To snarl or growl; to gnar.

Having or characterized by gnarls; gnarled. / (slang) Excellent; attractive. / (slang, US) Dangerous; difficult. / (slang, US) Unpleasant, awful, ugly. / (slang, US) Of music or a sound: harsh.

Italian pasta-like dumplings made of potato or semolina.

(historical) A type of jet fighter aircraft.

To snarl or growl.

(slang, chiefly sports) gnarly

(slang, extreme sports) Snow or an ocean wave.

Knotty and misshapen. / Made rough by age or hard work.