heavy duty
Strenuous serviceStrenuous service.
» This is a heavy-duty machine.
Meaning
1 senses(attributive, often, uncountable)Strenuous service.
rated for heavy duty
suitable for heavy duty
Examples
4 sentencesThis is a heavy-duty machine.
Sami had a heavy-duty flashlight.
The missiles are mounted on a heavy-duty truck frame.
Heavy-duty vehicles (commercial trucks, vans, and buses) are currently the second largest source of greenhouse gas pollution within the transportation sector.
Antonyms
1 antonymslight duty
Word family
2 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable