crazy; demented

(military) A short pike, sometimes carried by officers of infantry, sometimes used in boarding ships; a spontoon

Half the normal length. / Of a portrait or photograph: depicting only the upper half of the subject.

(horse racing) Half the length of a horse. / A portrait or photograph that depicts only the upper half of the subject.

Having imperfect eyesight

(archaic, rare) fighting a close fight, closer than a sword's length to one's opponents.

(archaic, rare) dim-witted; lacking intelligence

(colloquial) A brief time; a jiffy.

plural of half-timer

plural of half-holiday