| Roget’s II: The New Thesaurus, Third Edition. 1995. |
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crackerjack also crackajack |
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| NOUN: | Slang. A person with a high degree of knowledge or skill in a particular field: ace, adept, authority, dab hand, expert, master, past master, professional, proficient, wizard. Informal : whiz. Chiefly British : dab2. See ABILITY. | | ADJECTIVE: | Slang. Having or demonstrating a high degree of knowledge or skill: adept, crack, expert, master, masterful, masterly, professional, proficient, skilled, skillful. See ABILITY.
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| Roget’s II: The New Thesaurus, Third Edition. Copyright © 1995 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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