85 entries under casual topic. ×

2
hasty(adjective, sharp, rude, careless, indifferent)
2
indiscreet(adjective, sharp, rude, careless, indifferent)
2
injudicious(adjective, careless, bold, thoughtless)
2
laid back(expression, adjective, feature, state, calm)
2
uncircumspect(careless, thoughtless, heedless, happy-go-lucky)
2
unemotional(adjective, calm, cool, relaxed, cold)
1
cold(adjective, calm, cool, relaxed, indifferent)
1
lukewarm(adjective, calm, cool, relaxed, indifferent)
1
unfeeling(adjective, calm, cool, relaxed, indifferent)
1
unperturbed(adjective, calm, cool, relaxed, indifferent)
1
unreflective(obtuse, happy-go-lucky, slapdash, unperceptive)
1
wasteful(careless, reckless, happy-go-lucky, slapdash)
0
collected(adjective, calm, cool, relaxed)
0
composed(adjective, calm, cool, relaxed)
0
disimpassioned(adjective, calm, cool, relaxed, detached)
0
effortless(adjective, calm, cool, relaxed, detached)
0
imperturbable(adjective, calm, cool, relaxed)
0
mellow(adjective, calm, cool, relaxed, detached)
0
placid(adjective, calm, cool, relaxed)
0
smooth(adjective, calm, cool, relaxed, detached)
11 years ago|19k views|share |citing 
APASmart Define. (2015). negligent thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/negligent/thesaurus/synonyms
ChicagoSmart Define. 2015. "negligent thesaurus" https://smartdefine.org/negligent/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, negligent thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/negligent/thesaurus/synonyms>.
MLASmart Define. "negligent thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/negligent/thesaurus/synonyms>