In debt; obligated to pay or provide; liable; responsible or blamed.(adjective)
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Use "on the hook" in a sentence
"Not long since we saw one of these birds of unusual size, weighing nineteen pounds; it had been caught in Seneca Lake on the hook of what fishermen call a set-line, dropped to the depth of ninety-five feet, the bird having dived that distance to reach the bait."
"John Strother of Princeton, New Jersey, shot back, “Did you substitute on the hook for on the horn?”"
"Before getting out, she reached into the backseat for the dry cleaner’s bag that had been hanging on the hook on the door."