adj. Made for long or hard use; very strong. The lumberman used heavy-duty trucks for hauling logs down the mountains. The workers in the steel mill have heavy-duty gloves for handling hot steel. Mrs. Carlson bought a heavy-duty cleanser to clean her greasy oven.
HEAVY-DUTY
Meaning of HEAVY-DUTY in English
American idioms English vocabulary. Английский словарь американских идиом. 2012