mustardy

adjective2

1. •
   Resembling or characteristic of mustard.

   • They have a tangy, definite, somewhat mustardy flavor that combines well with other greens and takes well to a dressing such as the Vinaigrette Provençale on page 461. — 1979
2. •
   Condimented with mustard.

   • I disliked the mustardy “hot dogs” the boys ate before they got on the subway, but no real harm resulted. — 1957