124 entries under adjective topic. ×

15
toilsome(hard, great, tough, difficult)
13
arduous(hard, great, tough, easy)
13
laborious(hard, great, tough, easy)
13
tough(great, easy, severe, rough)
12
hard(great, tough, easy, severe)
11
difficult(hard, great, tough, easy)
10
rising(climbing, ascending)
10
strenuous(hard, great, tough, severe)
9
onerous(great, tough, severe, difficult)
8
formidable(tough, severe, rough, difficult)
8
mounting(noun, rising, climbing, ascending)
8
stiff(tough, severe, difficult, grim)
8
troublesome(tough, severe, difficult, awkward)
8
up(adverb, preposition, earth, rising)
8
wearisome(tough, severe, difficult, awkward)
7
climbing
7
rugged(hard, severe, rough, difficult)
6
acclivitous
6
burdensome(tough, severe, difficult, awkward)
6
effortful(great, tough, severe, difficult)
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APASmart Define. (2015). uphill thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uphill/thesaurus/synonyms
ChicagoSmart Define. 2015. "uphill thesaurus" https://smartdefine.org/uphill/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, uphill thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uphill/thesaurus/synonyms>.
MLASmart Define. "uphill thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/uphill/thesaurus/synonyms>