Synonyms|393Antonyms|104|Broader|10Narrower|7Related|1.1k
1
desolating
1
difficile(adjective, tough, severe, rough, difficult)
1
difficultly
1
disastrous
1
discouraging(adjective, hard, severe, offensive, cruel)
1
dismaying(hard, great, tough, severe, difficult)
1
disquieting(hard, severe, offensive, awful, terrible)
1
drag(adjective, dull, boring, tired, tedious)
1
dragging(adjective, dull, boring, tired, tedious)
1
drudgery
1
drudging(adjective, dull, boring, tired, tedious)
1
dull(adjective, heavy, boring, tedious, weighty)
1
easier said than done(expression, tough, severe, painful, problematic)
1
encumbering
1
enervative(adjective, dull, boring, tired, tedious)
1
exasperating(adjective, dull, boring, tired, tedious)
1
excruciating
1
fierce
1
flat(adjective, dull, boring, tedious, irritating)
1
gargantuan(tough, severe, painful, problematic, trying)
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ChicagoSmart Define. 2015. "onerous thesaurus" https://smartdefine.org/onerous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, onerous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/onerous/thesaurus/synonyms>.
MLASmart Define. "onerous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/onerous/thesaurus/synonyms>