0
confused(careless, stupid, unthinking, obtuse, unperceptive)
0
day-dreaming
0
detached
0
doltish(careless, stupid, unthinking, obtuse, unperceptive)
0
dull(careless, stupid, unthinking, obtuse, unperceptive)
0
ecervele
0
empty-headed(careless, stupid, unthinking, obtuse, unperceptive)
0
fast and loose(expression, idiom, rash, oblivious, neglectful)
0
feckless(rash, oblivious, neglectful)
0
flighty(careless, stupid, unthinking, obtuse, unperceptive)
0
foolhardy(rash, oblivious, neglectful)
0
foolish(careless, stupid, unthinking, obtuse, unperceptive)
0
giddy-brained
0
hand over head(expression, idiom, inattention)
0
happy-go-lucky(casual, slapdash)
0
hare-brained
0
harum-scarum
0
hasty(casual, happy-go-lucky, slapdash)
0
idle(distracted, scatterbrained, forgetful)
0
ill-advised(careless, stupid, unthinking, obtuse, unperceptive)
11 years ago|3.1k views|share |citing 
APASmart Define. (2015). unobservant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unobservant/thesaurus/synonyms
ChicagoSmart Define. 2015. "unobservant thesaurus" https://smartdefine.org/unobservant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unobservant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unobservant/thesaurus/synonyms>.
MLASmart Define. "unobservant thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unobservant/thesaurus/synonyms>