5
straitlaced
4
conventional(adjective, correct, stiff, tidy, particular)
4
cool(adjective, severe)
4
dour(adjective, close, hard, tough, severe)
4
frigid
4
fussy(adjective, particular, demure, fastidious, prudish)
4
intolerant(adjective, severe)
4
old-fashioned(adjective, boring, conventional, traditional, conservative)
4
precise(adjective, severe, plain)
4
sedate(adjective, affected, unassuming)
4
square-toed
4
straight-laced
4
straightlaced
4
uncompromising(adjective, severe)
4
uptight(adjective, tough, severe, firm, harsh)
3
Victorian
3
conservative(adjective, straight, conventional, traditional, prejudiced)
3
correct(adjective, severe, polite, decent, tidy)
3
decorous(adjective, correct, polite, decent, moral)
3
demure(adjective, correct, modest, polite, decent)
11 years ago|4.4k views|share |citing 
APASmart Define. (2015). strait-laced thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/strait-laced/thesaurus/synonyms
ChicagoSmart Define. 2015. "strait-laced thesaurus" https://smartdefine.org/strait-laced/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, strait-laced thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/strait-laced/thesaurus/synonyms>.
MLASmart Define. "strait-laced thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/strait-laced/thesaurus/synonyms>