pointed; tapering; sharp; (of a sound) shrill; piercing; (of one's hearing, sight etc) sharp; acute; keen; to make (one's voice) shrill; sharp point; tip; the best of sth; the cream of the crop

fingertip

the extremity of the foot

sharp; pointed

lit. to penetrate into a bull's horn (idiom); fig. to waste time on an insoluble or insignificant problem; to bash one's head against a brick wall; a wild goose chase; a blind alley; to split hairs