A mechanical device that uses illumination as a signal or warning, especially a beacon or traffic signal.
from The American Heritage Dictionary of the English Language, 4th Edition
A person who inspires or is adored by another: My daughter is the light of my life.
from The American Heritage Dictionary of the English Language, 4th Edition
A prominent or distinguished person; a luminary: one of the leading lights of the theater.
from The American Heritage Dictionary of the English Language, 4th Edition
A source of fire, such as a match or cigarette lighter.
from The American Heritage Dictionary of the English Language, 4th Edition
A source of light, especially a lamp, a lantern, or an electric lighting fixture: Turn out the lights when you leave.
from The American Heritage Dictionary of the English Language, 4th Edition
adjective
Carrying little equipment or armament: light cavalry; light tanks.
from The American Heritage Dictionary of the English Language, 4th Edition
Characterized by frivolity; silly or trivial.
from The American Heritage Dictionary of the English Language, 4th Edition
Characterized by or filled with light; bright: a room that is light when the shutters are open.
from The American Heritage Dictionary of the English Language, 4th Edition
Consuming or using relatively moderate amounts; abstemious: a light eater; a light smoker.
from The American Heritage Dictionary of the English Language, 4th Edition
Containing a relatively small amount of a potentially harmful ingredient, such as alcohol, fat, or sodium: light beer; light mayonnaise.
from The American Heritage Dictionary of the English Language, 4th Edition
idiom
Go light on To treat casually or gingerly.
from The American Heritage Dictionary of the English Language, 4th Edition
In (the) light of In consideration of; in relationship to.
from The American Heritage Dictionary of the English Language, 4th Edition
Light a fire under To urge or move to action.
from The American Heritage Dictionary of the English Language, 4th Edition
Light at the end of the tunnel The prospect of success, relief, or escape after strenuous effort.
from The American Heritage Dictionary of the English Language, 4th Edition
adverb
In a light manner; lightly.
from The American Heritage Dictionary of the English Language, 4th Edition
With little weight and few burdens: traveling light.
from The American Heritage Dictionary of the English Language, 4th Edition
With little baggage.
from the Merriam-Webster Dictionary. All rights reserved.
phrasal-verb
Light into Informal To attack verbally or physically; assail.
from The American Heritage Dictionary of the English Language, 4th Edition
Light out Informal To leave hastily; run off.
from The American Heritage Dictionary of the English Language, 4th Edition
Light up To become or cause to become animated or cheerful.
from The American Heritage Dictionary of the English Language, 4th Edition
Light up To start smoking a cigarette, cigar, or pipe.
from The American Heritage Dictionary of the English Language, 4th Edition
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