nounπShareA thin and usually jagged space opened in a previously solid material."A large crack had formed in the roadway."materialgapstructureessentialChat with AIVocabulary GamePractice Reading
nounπShareA narrow opening."Open the door a crack."gappartstructureappearanceessentialChat with AIVocabulary GamePractice Reading
nounπShareA sharply humorous comment; a wisecrack."My brother made a crack about my new haircut, saying it looked like a bird's nest. "languagecommunicationentertainmentessentialChat with AIVocabulary GamePractice Reading
nounπShareCrack cocaine, a potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe."crack head"substancemedicinechemistryessentialChat with AIVocabulary GamePractice Reading
nounπShareThe sharp sound made when solid material breaks."The crack of the falling branch could be heard for miles."soundmaterialessentialChat with AIVocabulary GamePractice Reading
nounπShareAny sharp sound."The crack of the bat hitting the ball."soundessentialChat with AIVocabulary GamePractice Reading
nounπShareA sharp, resounding blow."The basketball player's crack of the bat echoed through the empty gym. "soundactionessentialChat with AIVocabulary GamePractice Reading
nounπShareAn attempt at something."My brother made a crack at fixing the leaky faucet, but he just made it worse. "actionessentialChat with AIVocabulary GamePractice Reading
nounπShareThe space between the buttocks."Pull up your pants! Your crack is showing."anatomybodypartphysiologyhumanessentialChat with AIVocabulary GamePractice Reading
nounπShareConviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company."He/she is quare good crack."communicationentertainmentlanguagegroupculturehumanessentialChat with AIVocabulary GamePractice Reading
nounπShareBusiness; events; news."The latest news crack about the school fundraiser is that it might be canceled due to low donations. "businessmediaeventessentialChat with AIVocabulary GamePractice Reading
nounπShareA program or procedure designed to circumvent restrictions or usage limits on software."Has anyone got a crack for DocumentWriter 3.0?"computingtechnologyinternetessentialChat with AIVocabulary GamePractice Reading
nounπShare(elsewhere throughout the North of the UK) a meaningful chat."After school, they had a crack about their teacher's new haircut. "communicationlanguagesocietycultureessentialChat with AIVocabulary GamePractice Reading
nounπShareExtremely silly, absurd or off-the-wall ideas or prose."His idea for a new school project was a crack β completely ridiculous and impractical. "languagestylewritingliteratureentertainmentessentialChat with AIVocabulary GamePractice Reading
nounπShareThe tone of voice when changed at puberty."Her crack appeared around the time she started high school. "physiologyagebodysoundessentialChat with AIVocabulary GamePractice Reading
nounπShareA mental flaw; a touch of craziness; partial insanity."He has a crack."mindcharacterpersonconditionessentialChat with AIVocabulary GamePractice Reading
nounπShareA crazy or crack-brained person."My uncle is a real crack, always coming up with the most bizarre ideas for our family reunion. "mindpersoncharacteressentialChat with AIVocabulary GamePractice Reading
nounπShareA boast; boasting."My brother's crack about winning the chess tournament was annoying; he always brags. "characterlanguageattitudecommunicationessentialChat with AIVocabulary GamePractice Reading
nounπShareBreach of chastity."The rumors about the student's supposed crack damaged his reputation at school. "moralsexactionsocietyculturereligionessentialChat with AIVocabulary GamePractice Reading
nounπShareA boy, generally a pert, lively boy."The new boy in class was a real crack, always joking and asking questions. "personcharacterageessentialChat with AIVocabulary GamePractice Reading
nounπShareA brief time; an instant; a jiffy."The teacher gave us a crack of time to finish the last problem. "timephraseessentialChat with AIVocabulary GamePractice Reading
verbπShareTo form cracks."The old concrete sidewalk cracked under the weight of the heavy truck. "materialphysicsessentialChat with AIVocabulary GamePractice Reading
verbπShareTo break apart under pressure."When I tried to stand on the chair, it cracked."actionmaterialphysicsessentialChat with AIVocabulary GamePractice Reading
verbπShareTo become debilitated by psychological pressure."Anyone would crack after being hounded like that."mindemotionsufferingessentialChat with AIVocabulary GamePractice Reading
verbπShareTo break down or yield, especially under interrogation or torture."When we showed him the pictures of the murder scene, he cracked."policemindactionwarinhumansufferinglawessentialChat with AIVocabulary GamePractice Reading
verbπShareTo make a cracking sound."The bat cracked with authority and the ball went for six."soundactionessentialChat with AIVocabulary GamePractice Reading
verbπShare(of a voice) To change rapidly in register."His voice cracked with emotion."soundlanguagecommunicationessentialChat with AIVocabulary GamePractice Reading
verbπShare(of a pubescent boy's voice) To alternate between high and low register in the process of eventually lowering."His voice finally cracked when he was fourteen."physiologybodyagehumansoundlinguisticssexbiologyessentialChat with AIVocabulary GamePractice Reading
verbπShareTo make a sharply humorous comment.""I would too, with a face like that," she cracked."languagecommunicationentertainmentessentialChat with AIVocabulary GamePractice Reading
verbπShareTo make a crack or cracks in."The ball cracked the window."materialpropertyphysicsgeologyessentialChat with AIVocabulary GamePractice Reading
verbπShareTo break open or crush to small pieces by impact or stress."The falling tree branch cracked the window pane. "actionphysicsessentialChat with AIVocabulary GamePractice Reading
verbπShareTo strike forcefully."She cracked him over the head with her handbag."actionessentialChat with AIVocabulary GamePractice Reading
verbπShareTo open slightly."Could you please crack the window?"actionappearanceessentialChat with AIVocabulary GamePractice Reading
verbπShareTo cause to yield under interrogation or other pressure. (Figurative)"They managed to crack him on the third day."mindcommunicationpolicewarstategovernmentactionessentialChat with AIVocabulary GamePractice Reading
verbπShareTo solve a difficult problem. (Figurative, from cracking a nut.)"The team finally cracked the mystery of the missing homework assignments. "abilityachievementactionmindessentialChat with AIVocabulary GamePractice Reading
verbπShareTo overcome a security system or a component."It took a minute to crack the lock, three minutes to crack the security system, and about twenty minutes to crack the safe."technologycomputinginternetessentialChat with AIVocabulary GamePractice Reading
verbπShareTo cause to make a sharp sound."to crack a whip"soundactionessentialChat with AIVocabulary GamePractice Reading
verbπShareTo tell (a joke)."The performance was fine until he cracked that dead baby joke."entertainmentcommunicationlanguageessentialChat with AIVocabulary GamePractice Reading
verbπShareTo break down (a complex molecule), especially with the application of heat: to pyrolyse."Acetone is cracked to ketene and methane at 700Β°C."chemistryprocessenergyfueltechnicalscienceessentialChat with AIVocabulary GamePractice Reading
verbπShareTo circumvent software restrictions such as regional coding or time limits."That software licence will expire tomorrow unless we can crack it."technologycomputinginternetelectronicsessentialChat with AIVocabulary GamePractice Reading
verbπShareTo open a canned beverage, or any packaged drink or food."I cracked the soda can to quench my thirst after lunch. "fooddrinkutensilactionessentialChat with AIVocabulary GamePractice Reading
verbπShareTo brag, boast."My brother always cracks about how smart he is, even when he's wrong. "languagecommunicationessentialChat with AIVocabulary GamePractice Reading
verbπShareTo be ruined or impaired; to fail."My project presentation completely cracked under pressure; I forgot all my notes. "outcomeessentialChat with AIVocabulary GamePractice Reading
adjectiveπShareHighly trained and competent."Even a crack team of investigators would have trouble solving this case."qualityabilityessentialChat with AIVocabulary GamePractice Reading
adjectiveπShareExcellent, first-rate, superior, top-notch."My sister's new essay was a crack piece of writing; it was brilliant. "qualitystyleattitudeessentialChat with AIVocabulary GamePractice Reading