noun a boast; boasting.
2. crack ·noun breach of chastity.
3. crack ·noun a crazy or crack-brained person.
4. crack ·noun free conversation; friendly chat.
5. crack ·noun a boy, generally a pert, lively boy.
6. crack ·noun rupture; flaw; breach, in a moral sense.
7. crack ·vi to utter a loud or sharp, sudden sound.
8. crack ·noun the tone of voice when changed at puberty.
9. crack ·noun a brief time; an instant; as, to be with one in a crack.
10. crack ·vi to be ruined or impaired; to fail.
11. crack ·vt to utter smartly and sententiously; as, to crack a joke.
12. crack ·adj of superior excellence; having qualities to be boasted of.
13. crack ·vt to cry up; to extol;
followed by up.
14. crack ·noun mental flaw; a touch of craziness; partial insanity; as, he has a crack.
15. crack ·vi to burst or open in chinks; to break, with or without quite separating into parts.
xvi. crack ·vt to cause to sound suddenly and sharply; to snap; as, to crack a whip.
xvii. crack ·vt to break or burst, with or without entire separation of the parts; as, to crack glass; to crack nuts.
xviii. crack ·vi to utter vain, pompous words; to brag; to boast;
with of.
xix. crack ·vt to rend with grief or pain; to affect deeply with sorrow; hence, to disorder; to distract; to craze.
xx. crack ·noun a sharp, sudden sound or report; the sound of anything suddenly burst or broken; as, the crack of a falling house; the crack of thunder; the crack of a whip.
xxi. crack ·noun a partial separation of parts, with or without a perceptible opening; a chink or fissure; a narrow breach; a crevice; as, a crack in timber, or in a wall, or in glass.