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sun

SUN/sʌn/

Pluralsuns, sun

Verbsuns, sunning, sunned

11 meanings of sun

Practice

  1. 1
    daytime starnouncountable or uncountable
    The star that the earth goes around and that gives us light and heat, or any star with planets going around it.

    Like the bright center of a spinning wheel, with everything else turning around it.

    Every planet in our system orbits the sun.

    Scientists study how the sun makes its light and heat.

    UsageSay the sun. Other stars can be suns.

    Similarstar

    Note
  2. 2
    warm raysnouncountable or uncountable
    The light and warmth that come from the sun.

    Like the warm light you feel on your skin on a clear day.

    We sat in the sun all afternoon.

    The cat loves to nap where the sun comes through the window.

    UsageSay in the sun: we sat in the sun.

    Similarsunshine, sunlight, light

    Oppositeshade

    Note
  3. 3
    daybreak or nightfallnounliteraryuncountable
    The time when the sun rises or goes down.

    They worked the fields from sun to sun without resting.

    On the farm, they worked from sun to sun all summer long.

    UsageUsed in from sun to sun.

    Similarsunrise, sunset, dawn, dusk

    Note
  4. 4
    verbtransitive
    To put something in the sun to dry it or warm it.

    Similardry, bleach, air

  5. 5
    verbintransitive
    To sit or lie out in the sunlight.

    Like a cat stretching out in a warm patch of light.

    Tourists sun on the deck whenever the clouds clear.

    She sunned on the terrace until the breeze turned cold.

    Similarbask, sunbathe, tan

Practice

Can you tell the meanings of sun apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

The word comes from Old English "sunne," which goes far back to an ancient Proto-Indo-European root meaning "sun."

Checked 1 Nov 2026 · 2 facts