156 entries under adjective topic. ×

1
terrible(tough, severe, rough, difficult)
1
testing(tough, difficult, awkward, grim)
1
tired(dull, boring, tedious, irritating)
1
too much(expression, dull, boring, tired)
1
tyrannical
1
uncool(dull, boring, tired, tedious)
1
uninteresting(dull, boring, tired, tedious)
1
unrelieved(dull, boring, tired, tedious)
1
unsettling(hard, severe, offensive, distressing)
1
unsparing(tough, rough, difficult, harsh)
1
yawn(dull, boring, tired, tedious)
0
bad
0
disadvantageous
0
disheartening
0
dispiriting
0
disrupting
0
dolorous
0
draining
0
embittering
0
enervating
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APASmart Define. (2015). onerous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/onerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "onerous thesaurus" https://smartdefine.org/onerous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, onerous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/onerous/thesaurus/synonyms>.
MLASmart Define. "onerous thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/onerous/thesaurus/synonyms>