Synonyms|576Antonyms|153|Broader|11Narrower|9Related|1.1k
1
backbreaker(tough, severe, painful, problematic, trying)
1
baroque
1
big
1
bit much(expression, dull, tedious, irritating, exhausting)
1
boresome(adjective, dull, boring, tired, tedious)
1
brutal
1
burning(tender, active, raw, busy, occupied)
1
bustling
1
changeless
1
cliff-hanging
1
cliffhanging
1
climacteric
1
cloggy
1
close
1
concentrated
1
conscientious
1
constrained
1
convoluted
1
crucial(tough, severe, painful, problematic, weighty)
1
crushing
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ChicagoSmart Define. 2016. "laborious thesaurus" https://smartdefine.org/laborious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, laborious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/laborious/thesaurus/synonyms>.
MLASmart Define. "laborious thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/laborious/thesaurus/synonyms>