,| 1. | sharp to the taste; sour or acid: tart apples. |
| 2. | sharp in character, spirit, or expression; cutting; caustic: a tart remark. |

tart 1 (tärt) adj. tart·er, tart·est
[Middle English, from Old English teart, severe; see der- in Indo-European roots.] tart'ly adv., tart'ness n. |