The difference between Crack and Express
When used as nouns, crack means a thin and usually jagged space opened in a previously solid material, whereas express means a mode of transportation, often a train, that travels quickly or directly.
When used as verbs, crack means to form cracks, whereas express means to convey or communicate.
When used as adjectives, crack means highly trained and competent, whereas express means moving or operating quickly, as a train not making local stops.
check bellow for the other definitions of Crack and Express
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Crack as a verb (intransitive):
To form cracks.
Examples:
"It's been so dry, the ground is starting to crack."
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Crack as a verb (intransitive):
To break apart under pressure.
Examples:
"When I tried to stand on the chair, it cracked."
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Crack as a verb (intransitive):
To become debilitated by psychological pressure.
Examples:
"Anyone would crack after being hounded like that."
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Crack as a verb (intransitive):
To break down or yield, especially under interrogation or torture.
Examples:
"When we showed him the pictures of the murder scene, he cracked."
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Crack as a verb (intransitive):
To make a cracking sound.
Examples:
"The bat cracked with authority and the ball went for six."
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Crack as a verb (intransitive, of a voice):
To change rapidly in register.
Examples:
"His voice cracked with emotion."
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Crack as a verb (intransitive, of a pubescent boy's voice):
To alternate between high and low register in the process of eventually lowering.
Examples:
"His voice finally cracked when he was fourteen."
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Crack as a verb (intransitive):
To make a sharply humorous comment.
Examples:
"I would too, with a face like that," she cracked."
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Crack as a verb (transitive):
To make a crack or cracks in.
Examples:
"The ball cracked the window."
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Crack as a verb (transitive):
To break open or crush to small pieces by impact or stress.
Examples:
"You'll need a hammer to crack a black walnut."
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Crack as a verb (transitive):
To strike forcefully.
Examples:
"She cracked him over the head with her handbag."
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Crack as a verb (transitive):
To open slightly.
Examples:
"Could you please crack the window?"
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Crack as a verb (transitive):
To cause to yield under interrogation or other pressure. (Figurative)
Examples:
"They managed to crack him on the third day."
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Crack as a verb (transitive):
To solve a difficult problem.
Examples:
"I've finally cracked it, and of course the answer is obvious in hindsight."
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Crack as a verb (transitive):
To overcome a security system or a component.
Examples:
"It took a minute to crack the lock, three minutes to crack the security system, and about twenty minutes to crack the safe."
"They finally cracked the code."
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Crack as a verb (transitive):
To cause to make a sharp sound.
Examples:
"to crack a whip"
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Crack as a verb (transitive):
To tell (a joke).
Examples:
"The performance was fine until he cracked that dead baby joke."
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Crack as a verb (transitive, chemistry, informal):
To break down (a complex molecule), especially with the application of heat: to pyrolyse.
Examples:
"Acetone is cracked to ketene and methane at 700°C."
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Crack as a verb (transitive, computing):
To circumvent software restrictions such as regional coding or time limits.
Examples:
"That software licence will expire tomorrow unless we can crack it."
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Crack as a verb (transitive, informal):
To open a canned beverage, or any packaged drink or food.
Examples:
"I'd love to crack open a beer."
"Let's crack a [[tube]] and watch the game."
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Crack as a verb (obsolete):
To brag, boast.
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Crack as a verb (archaic, colloquial):
To be ruined or impaired; to fail.
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Crack as a noun:
A thin and usually jagged space opened in a previously solid material.
Examples:
"A large crack had formed in the roadway."
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Crack as a noun:
A narrow opening.
Examples:
"We managed to squeeze through a crack in the rock wall."
"Open the door a crack."
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Crack as a noun:
A sharply humorous comment; a wisecrack.
Examples:
"I didn't appreciate that crack about my hairstyle."
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Crack as a noun:
A potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe.
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Crack as a noun (onomatopoeia):
The sharp sound made when solid material breaks.
Examples:
"The crack of the falling branch could be heard for miles."
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Crack as a noun (onomatopoeia):
Any sharp sound.
Examples:
"The crack of the bat hitting the ball."
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Crack as a noun (informal):
An attempt at something.
Examples:
"I'd like to take a crack at that game."
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Crack as a noun (vulgar, slang):
Vagina.
Examples:
"I'm so horny even the crack of dawn isn't safe!"
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Crack as a noun (informal):
The space between the buttocks.
Examples:
"Pull up your pants! Your crack is showing."
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Crack as a noun (Northern England, Scotland, Ireland):
Conviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company.
Examples:
"The crack was good."
"That was good crack."
"He/she is quare good crack."
"The party was great crack."
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Crack as a noun (Northern England, Scotland, Ireland):
Business; events; news.
Examples:
"What's the crack?"
"What's this crack about a possible merger."
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Crack as a noun (computing):
A program or procedure designed to circumvent restrictions or usage limits on software.
Examples:
"Has anyone got a crack for DocumentWriter 3.0?"
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Crack as a noun (Cumbria, elsewhere throughout the North of the UK):
a meaningful chat.
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Crack as a noun (Internet slang):
Extremely silly, absurd or off-the-wall ideas or prose.
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Crack as a noun:
The tone of voice when changed at puberty.
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Crack as a noun (archaic):
A mental flaw; a touch of craziness; partial insanity.
Examples:
"He has a crack."
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Crack as a noun (archaic):
A crazy or crack-brained person.
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Crack as a noun (obsolete):
A boast; boasting.
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Crack as a noun (obsolete):
Breach of chastity.
Examples:
"rfquotek Shakespeare"
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Crack as a noun (obsolete):
A boy, generally a pert, lively boy.
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Crack as a noun (slang, dated, UK):
A brief time; an instant; a jiffy.
Examples:
"I'll be with you in a crack."
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Crack as an adjective:
Highly trained and competent.
Examples:
"Even a crack team of investigators would have trouble solving this case."
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Crack as an adjective:
Excellent, first-rate, superior, top-notch.
Examples:
"She's a crack shot with that rifle."
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Express as an adjective (not comparable):
Moving or operating quickly, as a train not making local stops.
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Express as an adjective (comparable):
Specific or precise; directly and distinctly stated; not merely implied.
Examples:
"I gave him express instructions not to begin until I arrived, but he ignored me."
"This book cannot be copied without the express permission of the publisher."
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Express as an adjective:
Truly depicted; exactly resembling.
Examples:
"In my eyes it bore a livelier image of the spirit, it seemed more express and single, than the imperfect and divided countenance."
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Express as an adjective (retail):
Providing a more limited but presumably faster service than a full or complete dealer of the same kind or type.
Examples:
"The Pizza Hut inside Target isn't a full one: it's a Pizza Hut Express."
"Some Wal-Mart stores will include a McDonald's Express."
"The mall's selection of cell phone carriers includes a full AT&T store and a T-Mobile express."
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Express as a noun:
A mode of transportation, often a train, that travels quickly or directly.
Examples:
"I took the express into town."
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Express as a noun:
A service that allows mail or money to be sent rapidly from one destination to another.
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Express as a noun:
An express rifle.
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Express as a noun (obsolete):
A clear image or representation; an expression; a plain declaration.
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Express as a noun:
A messenger sent on a special errand; a courier.
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Express as a noun:
An express office.
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Express as a noun:
That which is sent by an express messenger or message.
Examples:
"rfquotek Eikon Basilike"
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Express as a verb (transitive):
To convey or communicate; to make known or explicit.
Examples:
"Words cannot express the love I feel for him."
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Express as a verb (transitive):
To press, squeeze out (especially said of milk).
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Express as a verb (biochemistry):
To translate messenger RNA into protein.
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Express as a verb (biochemistry):
To transcribe deoxyribonucleic acid into messenger RNA.
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Express as a noun (obsolete):
The action of conveying some idea using words or actions; communication, expression.
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Express as a noun (obsolete):
A specific statement or instruction.