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Definition of smart
(Entry 1 of 4)
1 : making one smart : causing a sharp stinging
2 : marked by often sharp forceful activity or vigorous strength
a smart pull of the starter cord
b : rude or impolite in a bold and disrespectful way : pert don't get smart with me
b : stylish or elegant in dress or appearance
c(1) : appealing to sophisticated tastes
(2) : characteristic of or patronized by fashionable society
7a : being a guided missile
a laser-guided smart bomb
b : operating by automation
a smart machine tool
c : using a built-in microprocessor for automatic operation, for processing of data, or for achieving greater versatility
a smart card By now we're familiar with smart electricity grids, those IT-enhanced networks that generate and distribute power locally …— Robert Visscher
smart
verbsmarted; smarting; smarts
Definition of smart (Entry 2 of 4)
1 : to cause or be the cause or seat of a sharp stinging pain also : to feel or have such a pain
2a : to feel or endure distress, remorse, or embarrassment
smarting from wounded vanity— W. L. Shirer
b : to pay a heavy or stinging penalty
would have to smart for this foolishness
smart
nounDefinition of smart (Entry 3 of 4)
2 : poignant grief or remorse
was not the sort to get over smarts— Sir Winston Churchill
smart
adverbDefinition of smart (Entry 4 of 4)
: in a smart manner : smartly
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Time Traveler for smart
The first known use of smart was before the 12th century
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