Synonyms|1.2kAntonyms|311|Broader|13Narrower|0Related|1.5k
10
strict
8
prudent
8
tight
7
tense
6
rigid
5
business-minded
5
rigorous(adjective, severe, exact)
4
diligent
4
fussy
3
careful(adjective, false, loose, reckless)
3
adamant
3
alert
3
gingerly
3
hard
3
harsh
3
heedful
3
inflexible
2
attentive
2
chary
2
circumspect
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APASmart Define. (2016). lax thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/lax/thesaurus/antonyms
ChicagoSmart Define. 2016. "lax thesaurus" https://smartdefine.org/lax/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, lax thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lax/thesaurus/antonyms>.
MLASmart Define. "lax thesaurus" 3 March 2016. Web. 21 September 2026. <https://smartdefine.org/lax/thesaurus/antonyms>