198 entries under severe topic. ×

1
ruthless(adjective, hard, harsh, cruel)
1
scrupulous(adjective, hard, tough, rough)
1
short
1
solid(good, sound, right, reasonable)
1
spare
1
stickling(adjective, tough, firm, harsh)
1
stiff-necked
1
undeviating(adjective, harsh, solid, exact)
1
unfeeling(adjective, hard, tough, sharp)
1
unjust(adjective, tough, harsh, cruel)
1
unkind(adjective, hard, tough, sharp)
1
unpermissive(adjective, hard, tough, rough)
1
unpleasant(adjective, hard, tough, sharp)
1
uptight(adjective, tough, firm, harsh)
1
vigorous(adjective, strong, energetic, powerful)
0
asperous(adjective, bleak, stark, austere)
0
cacophonous(adjective, bleak, stark, austere)
0
caterwauling(adjective, bleak, stark, austere)
0
clashing(adjective, bleak, stark, austere)
0
coarse(adjective, bleak, stark, austere)
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APASmart Define. (2015). stringent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stringent/thesaurus/synonyms
ChicagoSmart Define. 2015. "stringent thesaurus" https://smartdefine.org/stringent/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, stringent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stringent/thesaurus/synonyms>.
MLASmart Define. "stringent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/stringent/thesaurus/synonyms>