43 entries under strong topic. ×

1
hardy(adjective, sound, tough, solid)
1
hearty(adjective, sound, tough, solid)
1
in fine feather(expression, adjective, idiom, sound)
1
mighty(adjective, sound, tough, solid)
1
muscular(adjective, sound, tough, solid)
1
reinforced(adjective, sound, tough, solid)
1
robust(adjective, sound, tough, solid)
1
secure(adjective, sound, tough, solid)
1
sinewy(adjective, sound, tough, solid)
1
sound(adjective, tough, solid, heavy)
1
stable(adjective, sound, tough, solid)
1
stalwart(adjective, sound, tough, solid)
1
stark(adjective, sound, tough, solid)
1
staunch(adjective, sound, tough, solid)
1
steady(adjective, sound, tough, solid)
1
stout(adjective, sound, tough, solid)
1
strapping(adjective, great, sound, tough)
1
tenacious(adjective, sound, tough, solid)
1
unyielding(adjective, sound, tough, solid)
1
vigorous(adjective, sound, tough, solid)
13 years ago|3.8k views|share |citing 
APASmart Define. (2013). heavy-duty thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/heavy-duty/thesaurus/synonyms
ChicagoSmart Define. 2013. "heavy-duty thesaurus" https://smartdefine.org/heavy-duty/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2013, heavy-duty thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/heavy-duty/thesaurus/synonyms>.
MLASmart Define. "heavy-duty thesaurus" 28 June 2013. Web. 30 September 2026. <https://smartdefine.org/heavy-duty/thesaurus/synonyms>