(transitive) To deliver; to deposit or leave.(verb)
To fall.(verb)
To lessen or reduce.(verb)
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Use "drop off" in a sentence
"“Mr. Darryl Miller of Sunnyvale was just pulling into the strip mall at Henderson and El Camino to drop off his dry cleaning when he was assaulted by a young woman who ripped the directional off his steering column.”"
"Does your child call you from school asking you to drop off her homework/textbook/science project/lunch because she left it at home?"
"I let go and drop off the dryfall, landing in a sandy concavity carved deeper than the surrounding floor by the impact of floodwaters dropping over the lip."