crack
noun
°A thin and usually jagged space opened in a previously solid material.
"A large crack had formed in the roadway."
°A narrow opening.
"We managed to squeeze through a crack in the rock wall."
verb
°To form cracks.
"It's been so dry, the ground is starting to crack."
°To break apart under pressure.
"When I tried to stand on the chair, it cracked."
adjective
°Highly trained and competent.
"Even a crack team of investigators would have trouble solving this case."
°Excellent, first-rate, superior, top-notch.
"She's a crack shot with that rifle."
synonyms: bum, arse, ass, crack cocaine