| CRACKAJACK | • crackajack adj. Alternative spelling of crackerjack. • crackajack n. Alternative spelling of crackerjack. • crack-a-jack adj. Alternative spelling of crackerjack. |
| CRACKBACKS | • crackbacks n. Plural of crackback. • CRACKBACK n. in American football, an illegal block made by an offensive player. |
| CRACKBERRY | • crackberry n. (Slang) A BlackBerry, a handheld device considered addictive for its networking capability. • CRACKBERRY n. a BlackBerry handheld computer, particularly one used obsessively; a person who uses such a computer obsessively. |
| CRACKBRAIN | • crackbrain n. (Slang) An eccentric or crazy person. • CRACKBRAIN n. a crazy person. |
| CRACKDOWNS | • crackdowns n. Plural of crackdown. • CRACKDOWN n. the taking of a firm action. |
| CRACKHEADS | • crackheads n. Plural of crackhead. • crack␣heads n. Plural of crack head. • CRACKHEAD n. a drug addict. |
| CRACKLIEST | • crackliest adj. Superlative form of crackly: most crackly. • CRACKLY adj. making a crackling noise. |
| CRACKLINGS | • cracklings n. Plural of crackling. • CRACKLING n. the rind of roast pork. |
| HYDROCRACK | • hydrocrack v. (Organic chemistry) To convert hydrocarbons by hydrocracking. • HYDROCRACK v. to crack hydrocarbons in the presence of hydrogen. |
| MICROCRACK | • microcrack n. A microscopic crack. • microcrack v. To cause the formation of microscopic cracks. • MICROCRACK v. to crack microscopically. |
| NUTCRACKER | • nutcracker n. An implement for cracking nuts. • nutcracker n. (Ornithology) Either of two birds of the genus Nucifraga in the crow family. • nutcracker n. (US, New York City) A bootleg mixed drink made from a blend of alcohols and fruit juices. |
| SANDCRACKS | • sandcracks n. Plural of sandcrack. • sand␣cracks n. Plural of sand crack. • SANDCRACK n. a deep crack or fissure in the wall of a horse's hoof, often causing lameness. |
| WHIPCRACKS | • whipcracks n. Plural of whipcrack. • WHIPCRACK n. a sound made by a whip. |
| WISECRACKS | • wisecracks n. Plural of wisecrack. • wisecracks v. Third-person singular simple present indicative form of wisecrack. • WISECRACK v. to make a wisecrack. |