1
obdurate
1
obstinate
1
orthodox
1
overnice
1
procrustean
1
proper
1
purist
1
puristic
1
puritan
1
relentless
1
religious
1
rigid
1
rigorist
1
rigoristic
1
rigorous
1
rockbound
1
squeamish
1
twee
1
unbending
1
uncompromising
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). straightlaced thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/straightlaced/thesaurus/synonyms
ChicagoSmart Define. 2015. "straightlaced thesaurus" https://smartdefine.org/straightlaced/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, straightlaced thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/straightlaced/thesaurus/synonyms>.
MLASmart Define. "straightlaced thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/straightlaced/thesaurus/synonyms>