SINCE 1828

An Encyclopædia Britannica Company

heavy-duty

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adjective heavy-du·ty \ ˈhe-vē-ˈdü-tē , -ˈdyü- \

Definition of heavy-duty

1 :able or designed to withstand unusual strain

heavy-duty trucks

2 :intensive

heavy-duty bargaining

3 :important, prominent

heavy-duty lawyers

See heavy-duty defined for English-language learners

See heavy-duty defined for kids

First Known Use of heavy-duty

1914

heavy-duty Synonyms

Synonyms

acute, almighty, blistering, deep, dreadful, excruciating, explosive, exquisite, fearful, fearsome, ferocious, fierce, frightful, furious, ghastly, hard, heavy, heavy-duty, hellacious, intensive, keen, profound, terrible, vehement, vicious, violent

Antonyms

light, moderate, soft

Related Words

accentuated, aggravated, concentrated, deepened; emphasized, enhanced, heightened, intensified, magnified; stressed; exhaustive, thorough; harsh, rigorous, severe

Near Antonyms

feeble, weak; shallow, superficial; moderated, qualified; alleviated, eased, lightened, toned (down); abated, decreased, diminished, lessened, reduced, subdued

HEAVY-DUTY Defined for English Language Learners

heavy-duty

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adjective

Definition of heavy-duty for English Language Learners

: designed to do difficult work without breaking
: very intense or serious

Learn More about heavy-duty

See words that rhyme with heavy-duty Thesaurus: All synonyms and antonyms for heavy-duty

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WORD OF THE DAY

toothsome

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agreeable, attractive, or delicious

BROWSE DICTIONARY

heavy dactyl

heavy date

heavy-duty

heavy-footed

heavy going

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