unthoughtful
unt·hought·ful
adjective
1.
not exhibiting or characterized by careful thought
Origin
From un- + thoughtful.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.