Synonyms of the word 
UNREFLECTIVE → THOUGHTLESS - UNTHINKING - UNTHOUGHTFUL
unreflective
- adj. Not reflective; thoughtless.
thoughtless
- adj. Marked by or showing lack of due thought or care; careless.
- adj. Inconsiderate, inattentive.
- adj. Lacking thought or consideration.
unthinking
- adj. Without proper thought; thoughtless.
- adj. Showing no regard; careless or unconcerned.
- v. present participle of unthink.
unthoughtful
- adj. inconsiderate of other's feelings.
- adj. unplanned or unthinking.
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