252 entries under tough topic. ×

1
highest(order, quality, superior, prime)
1
impervious(adjective, set, hard, solid)
1
implacable(adjective, strong, hard, harsh)
1
in fine feather(expression, adjective, idiom, strong, sound)
1
inexorable(adjective, strong, hard, severe)
1
inflexible(adjective, strong, hard, severe)
1
insensible(adjective, dull, quiet, strong, hard)
1
involved(adjective, hard, obscure, rough)
1
irritating(adjective, dull, severe, boring)
1
jouster(opponent, champion, mercenary, militant)
1
leading(order, important, outstanding, prime)
1
major(adjective, great, severe, important)
1
mercenary(opponent, champion, militant, bodyguard)
1
merciless(adjective, severe, rough, difficult)
1
militant(opponent, champion, mercenary, bodyguard)
1
murder(adjective, hard, severe, rough)
1
no picnic(expression, severe, rough, difficult)
1
not easy(expression, idiom, severe, painful)
1
number one(order, quality, superior, best)
1
oafish(awkward, inept, problematic, bulky)
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APASmart Define. (2016). heavy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/heavy/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavy thesaurus" https://smartdefine.org/heavy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, heavy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/heavy/thesaurus/synonyms>.
MLASmart Define. "heavy thesaurus" 25 January 2016. Web. 29 September 2026. <https://smartdefine.org/heavy/thesaurus/synonyms>