heavy-duty

[hev-ee-doo-tee, -dyoo-]

adjective

1. providing an unusual amount of power, durability, etc..

   heavy-duty machinery; heavy-duty shoes.

2. very important, impressive, or serious.

   heavy-duty involvement; heavy-duty questions.

heavy-duty

noun

1. made to withstand hard wear, bad weather, etc

   heavy-duty uniforms

2. subject to high import or export taxes

Word History and Origins

Origin of heavy-duty¹

First recorded in 1910–15

Related Words

• colossal 
• considerable 
• enormous 
• fat 
• full 
• gigantic 
• hefty 
• huge 
• immense 
• massive 
• sizable 
• substantial 
• tremendous 
• vast