Racy

adjective

1. Mildly risqué.

   "She wore a racy dress that was just barely appropriate for the occasion."

2. Having a strong flavor indicating origin; of distinct characteristic taste; tasting of the soil.

   "a racy wine"

3. (by extension) Exciting to the mind by a strong or distinctive character of thought or language; peculiar and piquant; fresh and lively.
4. Involving a data race or a race condition.