'Unthinking' definitions:

Definition of 'unthinking'

From: WordNet
adverb
In a thoughtless manner; "he stared thoughtlessly at the picture" [syn: thoughtlessly, unthinkingly, unthinking] [ant: thoughtfully]
adjective
Not exhibiting or characterized by careful thought [syn: unreflective, unthinking, unthoughtful]
adjective
Without care or thought for others; "the thoughtless saying of a great princess on being informed that the people had no bread; `Let them eat cake'" [syn: thoughtless, uncaring, unthinking]
adjective
Mentally sluggish [syn: lumpish, lumpen, unthinking]

Definition of 'Unthinking'

From: GCIDE
  • Unthinking \Un*think"ing\, a.
  • 1. Not thinking; not heedful; thoughtless; inconsiderate; as, unthinking youth. [1913 Webster]
  • 2. Not indicating thought or reflection; thoughtless. [1913 Webster]
  • With earnest eyes, and round unthinking face, He first the snuffbox opened, then the case. --Pope. [1913 Webster] -- {Un*think"ing*ly}, adv. -- {Un*think"ing*ness}, n. [1913 Webster]

Synonyms of 'unthinking'

From: Moby Thesaurus