say it: WAWN-tuhn-lee
wantonly is an adverb meaning "in a wanton manner". It carries 2 recorded senses.
in a wanton manner
“the animals were killed wantonly for sport”
in a licentious and promiscuous manner
“this young girl has to share a room with her mother who lives promiscuously”
Definitions, synonyms and semantic relations for wantonly come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.