Definition of light-year
- seems like light-years ago
- has light-years more talent
- two minutes and yet light-years away from the crowded village
- —Suzanne Patterson
: a unit of distance equal to the distance that light travels in one year (about 5.88 trillion miles or 9.46 trillion kilometers)
light-years —used to say that someone or something is much better or more advanced than others
—used to refer to a time that is or seems very far away
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