Synonyms and Antonyms for heavy-duty
2. heavy (adj.)
of comparatively great physical weight or density
4. heavy (adj.)
marked by great psychological weight; weighted down especially with sadness or troubles or weariness
5. heavy (adj.)
usually describes a large person who is fat but has a large frame to carry it
6. heavy (adj.)
darkened by clouds
8. duty (n.)
work that you are obliged to perform for moral or legal reasons
9. duty (n.)
the social force that binds you to the courses of action demanded by that force; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
10. duty (n.)
a government tax on imports or exports
