Crack vs. Smack — What's the Difference?

To break without complete separation of parts

A sharp slap or blow, typically one given with the palm of the hand

To break or snap apart

A flavour or taste of

To make a sharp snapping sound

A single-masted sailing boat used for coasting or fishing

To break down; fail

Heroin

To have a mental or physical breakdown

Strike (someone or something), typically with the palm of the hand and as a punishment

To change sharply in pitch or timbre, as from hoarseness or emotion. Used of the voice.

Part (one's lips) noisily in eager anticipation or enjoyment of food or drink

To move or go rapidly

Crack (a whip)

(Chemistry) To break into simpler molecules, often by means of heat or a catalyst.

Have a flavour of; taste of

To cause to break without complete separation of parts

In a sudden and violent way

To cause to break with a sharp snapping sound

Exactly; precisely

To crush (corn or wheat, for example) into small pieces.

To press together and open (the lips) quickly and noisily, as in eating or tasting.

To strike, especially with a sharp sound

To kiss noisily.

To cause to come into forceful contact with something, especially with a sharp sound

To strike sharply and with a loud noise.

To open to a slight extent

To make or give a smack.

To break open or into

To collide sharply and noisily

To open up for use or consumption

To have a distinctive flavor or taste. Used with of.

To break through (an obstacle) in order to win acceptance or acknowledgment

To give an indication; be suggestive. Often used with of

To discover the solution to, especially after considerable effort

The loud sharp sound of smacking.

To cause (the voice) to crack.

A noisy kiss.

(Informal) To tell (a joke), especially on impulse or in an effective manner.

A sharp blow or slap.

To cause to have a mental or physical breakdown.

A distinctive flavor or taste.

To impair or destroy

A suggestion or trace.

To reduce (petroleum) to simpler compounds by cracking.

A small amount; a smattering.

A partial split or break; a fissure

A fishing boat sailing under various rigs, according to size, and often having a well used to transport the catch to market.

A slight narrow space

Heroin.

(Informal) The fissure between the buttocks.

With a smack

A defect or flaw

Directly

A sharp snapping sound, such as the report of a firearm.

A distinct flavor, especially if slight.

A sharp resounding blow

A slight trace of something; a smattering.

A breaking, harshly dissonant vocal tone or sound, as in hoarseness.

Heroin.

An attempt or try

(Northern England) A form of fried potato; a scallop.

A witty or sarcastic remark.

A small sailing vessel, commonly rigged as a sloop, used chiefly in the coasting and fishing trade and often called a fishing smack

A moment; an instant

A group of jellyfish.

(Irish) Fun had when socializing; social amusement.

A sharp blow; a slap. See also: spank.

(Slang) Crack cocaine.

The sound of a loud kiss.

Excelling in skill or achievement; first-rate

A quick, sharp noise, as of the lips when suddenly separated, or of a whip.

(intransitive) To form cracks.

(transitive) To get the flavor of.

(intransitive) To break apart under force, stress, or pressure.

(intransitive) To have a particular taste; used with of.

(intransitive) To become debilitated by psychological pressure.

(intransitive) To indicate or suggest something; used with of.

(intransitive) To break down or yield, especially under interrogation or torture.

To slap or hit someone.

(intransitive) To make a cracking sound.

To make a smacking sound.

To change rapidly in register.

(especially outside of North America) To strike a child (usually on the buttocks) as a form of discipline. (normal U.S. and Canadian term spank)

To alternate between high and low register in the process of eventually lowering.

To wetly separate the lips, making a noise, after tasting something or in expectation of a treat.

(intransitive) To make a sharply humorous comment.

To kiss with a close compression of the lips, so as to make a sound when they separate.

To realize that one is transgender.

As if with a smack or slap; smartly; sharply.

(transitive) To make a crack or cracks in.

A small sailing vessel, commonly rigged as a sloop, used chiefly in the coasting and fishing trade.

(transitive) To break open or crush to small pieces by impact or stress.

Taste or flavor, esp. a slight taste or flavor; savor; tincture; as, a smack of bitter in the medicine. Also used figuratively.

(transitive) To strike forcefully.

A small quantity; a taste.

(transitive) To open slightly.

A loud kiss; a buss.

To cause to yield under interrogation or other pressure.

A quick, sharp noise, as of the lips when suddenly separated, or of a whip.

To solve a difficult problem.

A quick, smart blow; a slap.

(transitive) To overcome a security system or component.

A slang term for heroin.

(transitive) To cause to make a sharp sound.

As if with a smack or slap.

(transitive) To tell (a joke).

To have a smack; to be tinctured with any particular taste.

To break down (a complex molecule), especially with the application of heat: to pyrolyse.

To have or exhibit indications of the presence of any character or quality.

To circumvent software restrictions such as regional coding or time limits.

To kiss with a close compression of the lips, so as to make a sound when they separate; to kiss with a sharp noise; to buss.

To open a canned beverage, or any packaged drink or food.

To make a noise by the separation of the lips after tasting anything.

(obsolete) To brag; to boast.

To kiss with a sharp noise; to buss.

To be ruined or impaired; to fail.

To open, as the lips, with an inarticulate sound made by a quick compression and separation of the parts of the mouth; to make a noise with, as the lips, by separating them in the act of kissing or after tasting.

(colloquial) To barely reach, attain to (a measurement, extent).

To make a sharp noise by striking; to crack; as, to smack a whip.

A thin and usually jagged space opened in a previously solid material.

A blow from a flat object (as an open hand)

A narrow opening.

The taste experience when a savoury condiment is taken into the mouth

A sharply humorous comment; a wisecrack.

A sailing ship (usually rigged like a sloop or cutter) used in fishing and sailing along the coast

(slang) Crack cocaine, a potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe.

Street names for heroin

Something good-tasting or habit-forming.

An enthusiastic kiss

(onomatopoeia) The sharp sound made when solid material breaks.

The act of smacking something; a blow delivered with an open hand

(onomatopoeia) Any sharp sound.

Deliver a hard blow to;

A sharp, resounding blow.

Have an element suggestive (of something);

(informal) An attempt at something.

Have a distinctive or characteristic taste;

Vagina.

Kiss lightly

(informal) The space between the buttocks.

Eat noisily by smacking one's lips

Conviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company.

Directly;

Business; events; news.

(computing) A program or procedure designed to circumvent restrictions or usage limits on software.

An expanding circle of white water surrounding the site of a large explosion at shallow depth, marking the progress of the shock wave through the air above the water.A nuclear explosion in shallow water; the crack is clearly visible on the water's surface.

A meaningful chat.

(Internet slang) Extremely silly, absurd or off-the-wall ideas or prose.

The tone of voice when changed at puberty.

(archaic) A mental flaw; a touch of craziness; partial insanity.

(archaic) A crazy or crack-brained person.

(obsolete) A boast; boasting.

(obsolete) Breach of chastity.

(obsolete) A boy, generally a pert, lively boy.

A brief time; an instant; a jiffy.

(obsolete) One who excels; the best.

Highly trained and competent.

Excellent, first-rate, superior, top-notch.

To break or burst, with or without entire separation of the parts; as, to crack glass; to crack nuts.

To rend with grief or pain; to affect deeply with sorrow; hence, to disorder; to distract; to craze.

To cause to sound suddenly and sharply; to snap; as, to crack a whip.

To utter smartly and sententiously; as, to crack a joke.

To cry up; to extol; - followed by up.

To burst or open in chinks; to break, with or without quite separating into parts.

To be ruined or impaired; to fail.

To utter a loud or sharp, sudden sound.

To utter vain, pompous words; to brag; to boast; - with of.

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.

Rupture; flaw; breach, in a moral sense.

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.

The tone of voice when changed at puberty.

Mental flaw; a touch of craziness; partial insanity; as, he has a crack.

A crazy or crack-brained person.

A boast; boasting.

Breach of chastity.

A boy, generally a pert, lively boy.

A brief time; an instant; as, to be with one in a crack.

Free conversation; friendly chat.

A witty remark; a wisecrack.

A chance or opportunity to do something; an attempt; as, I'll take a crack at it.

A form of cocaine, highly purified and prepared as small pellets, especially suitable for smoking; - also called rock. Used in this form it appears to be more addicting than cocaine powder.

Of superior excellence; having qualities to be boasted of; as, a crack shot.

A long narrow opening

A narrow opening;

A long narrow depression in a surface

A sudden sharp noise;

A chance to do something;

Witty remark

A blemish resulting from a break without complete separation of the parts;

A purified and potent form of cocaine that is smoked rather than snorted

A usually brief attempt;

The act of cracking something

Become fractured; break or crack on the surface only;

Make a very sharp explosive sound;

Make a sharp sound;

Hit forcefully; deal a hard blow, making a cracking noise;

Pass through (a barrier);

Break partially but keep its integrity;

Break suddenly and abruptly, as under tension;

Suffer a nervous breakdown

Tell spontaneously;

Cause to become cracked;

Reduce (petroleum) to a simpler compound by cracking

Break into simpler molecules by means of heat;

Of the highest quality;