Definition of: smart

(smärt) v.i.
1. To experience a stinging sensation, generally superficial, either bodily or mental.
2. To cause a stinging sensation.
3. To experience remorse.
4. To have one's feelings hurt.
5. To pay a severe penalty.
—v.t.
6. To cause to smart.
—adjective
1. Quick in thought or action; bright; acute; clever.
2. Impertinently witty: often used contemptuously.
3. Vigorous; emphatic; severe; brisk.
4. Causing a smarting sensation; stinging; pungent.
5. Keen or sharp, as a trade; shrewd.
6. In active health; well.
7. Colloq. Superior, as in speed, strength, or skill.
8. Colloq. Large; considerable: a smart crop of wheat.
9. Sprucely dressed; showy.
10. Belonging to the stylish classes; fashionable: a smart set.
11. Making a creditable showing: a smart regiment. See synonyms under CLEVER.
—noun
1. An acute stinging sensation, as from a scratch or an irritant.
2. Any distress; poignant mental suffering.
3. Dial. A degree, number, or amount: with right: a right smart of people. [OE smeortan]
—smart′ly adverb
—smart′ness noun