tart

Tart \Tart\, a. [AS. teart. [root]63. Cf. {Tear}, v. t.] 1. Sharp to the taste; acid; sour; as, a tart apple. [1913 Webster] 2. Fig.: Sharp; keen; severe; as, a tart reply; tart language; a tart rebuke. [1913 Webster] Why art thou tart, my brother? --Bunyan. [1913 Webster]