adjective
smarter; -est
chiefly US
very good at learning or thinking about things :intelligent
showing intelligence or good judgment :wise
informal + disapproving :behaving or talking in a rude or impolite way :showing a lack of respect for someone
very popular :stylish and fashionable - somewhat old-fashioned in U.S. English
very neat and clean - somewhat old-fashioned in U.S. English
very quick and energetic
controlled by computers and able to do things that seem intelligent
smart money
used to say who or what is expected to win, be successful, etc.
verb
smarts; smarted; smarting
[no obj]
to feel a sudden sharp pain
to be upset about something - usually used as (be) smarting
smart off
[phrasal verb] US informal :to say rude and irritating things to someone
adverb
smarter; -est
in a smart way :smartly
US