Definition of abandonedly in English:

abandonedly

Pronunciation /əˈband(ə)ndli/

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adverb

  • In an abandoned manner; specifically (a) without moral or sexual constraint, profligately; (b) without bounds or restriction, freely.

Origin

Early 18th century; earliest use found in Bernard Mandeville (bap. 1670, d. 1733), physician and political philosopher. From abandoned + -ly.