Synonyms|213Antonyms|17|Broader|0Narrower|1Related|152

62 entries under severe topic. ×

1
irritating(tough, painful, problematic, trying)
1
meaning business(expression, adjective, tough, important)
1
meaningful(adjective, tough, important, significant)
1
murder(adjective, hard, tough, rough)
1
no joke(expression, adjective, tough, important)
1
no laughing matter(expression, adjective, idiom, tough)
1
of consequence(expression, adjective, tough, important)
1
out for blood(expression, adjective, idiom, tough)
1
playing hard ball(expression, adjective, idiom, tough)
1
problem(tough, painful, problematic, trying)
1
prohibitive(tough, painful, problematic, trying)
1
rigid(tough, painful, problematic, trying)
1
smoking(adjective, tough, important, significant)
1
sobering(adjective, tough, important, significant)
1
stiff(tough, difficult, painful, problematic)
1
strictly business(expression, adjective, tough, important)
1
unamusing(adjective, tough, important, significant)
1
unhumorous(adjective, tough, important, deep)
1
unyielding(tough, painful, problematic, trying)
1
upstream(tough, painful, problematic, trying)
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ChicagoSmart Define. 2015. "operose thesaurus" https://smartdefine.org/operose/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, operose thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/operose/thesaurus/synonyms>.
MLASmart Define. "operose thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/operose/thesaurus/synonyms>