Synonyms|124Antonyms|51|Broader|0Narrower|0Related|112

35 entries under rigorous topic. ×

1
picky(adjective, tough, severe, firm, harsh)
1
poignant(adjective, severe, harsh, stiff, rigid)
1
powerful(adjective, severe, harsh, stiff, rigid)
1
rigid(adjective, tough, severe, firm, harsh)
1
rough(adjective, severe, harsh, stiff, rigid)
1
set(adjective, tough, severe, firm, harsh)
1
severe(adjective, mean, tough, firm, harsh)
1
stern(adjective, tough, severe, firm, harsh)
1
stiff(adjective, severe, harsh, rigid, tight)
1
stringent(adjective, tough, severe, firm, harsh)
1
unpermissive(adjective, tough, severe, firm, harsh)
1
valid(adjective, severe, harsh, stiff, rigid)
0
forceful(adjective, severe, stiff, tight, strict)
0
hard-nosed(adjective, severe, harsh, stiff, rigid)
0
tight(adjective, severe, stiff, rigid, strict)
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HarvardSmart Define 2015, iron-fisted thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/iron-fisted/thesaurus/synonyms>.
MLASmart Define. "iron-fisted thesaurus" 6 February 2015. Web. 30 September 2026. <https://smartdefine.org/iron-fisted/thesaurus/synonyms>