Antonyms of adj unthoughtful
1 sense of unthoughtful
Sense 1
unreflective, unthinking, unthoughtful -- (not exhibiting or characterized by careful thought)
INDIRECT (VIA thoughtless) -> thoughtful -- (exhibiting or characterized by careful thought; "a thoughtful paper")
Similarity of adj unthoughtful
1 sense of unthoughtful
Sense 1
unreflective, unthinking, unthoughtful -- (not exhibiting or characterized by careful thought)
=> thoughtless (vs. thoughtful) -- (showing lack of careful thought; "the debate turned into thoughtless bickering")