Learner's definition of WANTON
[more wanton; most wanton]
1 : showing no thought or care for the rights, feelings, or safety of others
Vandals were guilty of the wanton destruction of the school property.
They were accused of wanton cruelty toward animals.
He showed a wanton disregard for his friend's feelings.
2 : not limited or controlled 3 old-fashioned, of a woman : having sex with many men