Definition of "smart"
smart1
/smɑɹt/
verb
third-person singular simple present smarts, present participle smarting, simple past smarted or (obsolete) smort, past participle smarted or (obsolete) smorten
smart2
/smɑɹt/
adjective
comparative smarter or more smart, superlative smartest or most smart
(informal) Exhibiting intellectual knowledge, such as that found in books.
(often in combination) Equipped with intelligent behaviour (digital/computer technology).
(archaic) Pretentious; showy; spruce.