Risque
Part of speech: adjective
Definition: Very suggestive of sexual impropriety.
Racy
Part of speech: adjective
Definition: Having a strong flavor indicating origin; of distinct characteristic taste; tasting of the soil; hence, fresh; rich.Hence: Exciting to the mental taste by a strong or distinctive character of thought or language; peculiar and piquant; fresh and lively.Mildly risque, exciting.