crack

/kɹæk/

noun

A thin and usually jagged space opened in a previously solid material.
"A large crack had formed in the roadway."
A narrow opening.
"Open the door a crack."
A sharply humorous comment; a wisecrack.
"I didn't appreciate that crack about my hairstyle."

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."
To become debilitated by psychological pressure.
"Anyone would crack after being hounded like that."

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