501 entries under adjective topic. ×

19
labyrinthine(hard, difficulty, difficult, complex)
19
massive(hard, difficult, complex)
19
nasty(hard, severe, rough, difficult)
19
sensitive(hard, difficult, delicate, uncertain)
19
serious(strong, hard, tough, difficult)
19
stubborn(strong, hard, tough, difficulty)
19
toilful(hard, difficult, complex, awkward)
18
dire(hard, difficult, unpleasant, complex)
18
hardy(strong, sound, tough, continue)
18
painful(hard, tough, difficult, harsh)
18
punishing(hard, difficult, complex)
18
uneven(mean, hard, smooth, severe)
15
powerful(strong, sound, tough, fit)
14
craggy(hard, smooth, severe, sharp)
14
hale(strong, sound, tough, fit)
13
husky(strong, tough, big, coarse)
13
muscular(strong, sound, tough, fit)
13
rocky(rough, harsh, delicate, uncertain)
12
healthy(strong, tough, fit, intense)
12
jagged(mean, hard, smooth, severe)
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APASmart Define. (2015). rugged thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rugged/thesaurus/synonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rugged/thesaurus/synonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/rugged/thesaurus/synonyms>