crack·a·jack

(krăk′ə-jăk′)

adj. Slang

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

crackajack

(ˈkrækəˌdʒæk)

n, adj

a variant spelling of crackerjack

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ThesaurusAntonymsRelated WordsSynonymsLegend:

crackerjack

also crackajack
adjective

Slang. Having or demonstrating a high degree of knowledge or skill:

adept, crack, expert, master, masterful, masterly, professional, proficient, skilled, skillful.

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: dab.

Mentioned in

References in periodicals archive

Indeed, even come the final another runner, Crackajack - who was due to contest the consolation after finishing fourth in the semis - was drafted into the big-race following the scratching of Tain Lawn.

Dog Racing: Varying rules in play as first round Casey KO wins event; ODDS AND DOGS

CRACKAJACK failed to deliver when well backed last week but should get us our money back in the eighth, the John Casey Consolation Final, and in the ninth HEAVENLY ONE can resume winning ways.

Dog Racing: FIVE STAR COURTS; INSIDE TRAP

Treharne joined his brothers-in-law Jamie and Bobby Wilmot, Jamie's son Jeremy and another Sydney yachtsman, Jeremy Whitty, in what US reports described as "a crackajack crew from Australia" aboard Crescendo, a Swan 44 Mk II, owned by Martin Jacobsen of Greenwich, Connecticut.

Aussie Onion Patch success

In a letter dated 28 April 1941, the Cracker Jack Company objected to the DAE's entry: "We understand the term Crackajack to mean as defined in number one of your definition," attorney Arthur L.

Lexical property rights: trademarks in American dictionaries

This 2 DVD set also includes a whopping load of extras including A Man's Best Friend Is His Duck performed on Crackajack in 1972.

DVD view

On Saturday he was the medium of huge support, ending up at 7-4 behind the 6-4 favourite Swahili Eile, and it turned out to be virtually the two-dog battle the betting suggest, although reserve Crackajack did trade blows with them for much of the journey.

Dog Racing: McKenna is still on Fire for 2007 with Casey glory

The first semi-final of the John Casey Stakes at Shelbourne Park is a hard one to call but my idea of the winner is the only wide seed in the race, CRACKAJACK.

Dog Racing: GO WITH THE FLOW; INSIDE TRAP

In contrast Parknahown Molly bolted from trap four to lead around the turn with Crackajack giving chase.

Dog Racing: Improving Fire gets one in Casey final, as Molly sets pace