1. having a sharp, acidic taste
2. sharp or cutting in manner or speech

1. a pastry with a filling, typically having no top crust

Examples

• The lemon was too tart to eat without sugar.
• She made a tart comment about his lateness.
• The apple tart was served warm with vanilla ice cream.
• His tart reply ended the conversation quickly.
• The cranberries gave the sauce a pleasantly tart flavor.
• We ordered a fruit tart for dessert.
• Her tart wit made her popular at dinner parties.