"unthinking" in the adjective sense
1. unreflective, unthinking, unthoughtful
not exhibiting or characterized by careful thought
2. thoughtless, uncaring, unthinking
without care or thought for others `Let them eat cake'"
"the thoughtless saying of a great princess on being informed that the people had no bread
3. lumpish, lumpen, unthinking
mentally sluggish
"unthinking" in the adverb sense
1. thoughtlessly, unthinkingly, unthinking
in a thoughtless manner
"he stared thoughtlessly at the picture"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License