1.AdjectiveRelieved of a duty, burden, responsibility, or pressure.
"When the boss assigned the project to Tom, the rest of us were relieved to be off the hook.; Without any evidence, the police had to let the suspect off the hook."
2.AdjectiveOf a telephone, having an open connection; not hung up.
"I think he left the phone off the hook so that nobody would call him."
3.AdjectiveOf a telephone, ringing frequently.
"The phone was ringing off the hook all night."
4.AdjectivePerforming extraordinarily well.
"That's five three-pointers in a row! Smith is off the hook!"