Meaning & use

sun

noun, verb·Everyday

Last updated

UK/sʌn/
US/sʌn/

Meanings

  1. nounsingular

    The huge star at the center of our solar system that gives the Earth its light and heat.

    Grammar: Usually with the: the sun rises; capitalized Sun in science writing.

    Patterns

    • the sun rises
    • the sun sets

    The sun rises earlier in summer.

    The Earth travels around the sun once a year.

    Astronomers study how the sun produces energy.

  2. noununcountable

    The light and warmth that come from this star, felt in the open air.

    Grammar: Used without an or the in general: lie in the sun, too much sun.

    Patterns

    • in the sun
    • too much sun

    We sat in the sun and drank lemonade.

    Too much sun can damage your skin.

    The cat likes to lie in the warm sun.

  3. nouncountabletechnical

    Any star that has planets circling it.

    Grammar: Countable in science fiction and astronomy: a distant sun.

    Patterns

    • a distant sun

    The planet circles a red sun far from our own.

    Scientists found a planet orbiting a young sun.

    The story takes place around a twin sun system.

  4. verbtransitive

    To sit or lie in the sunshine, especially to get warm or tanned.

    Grammar: Often used with a reflexive pronoun: sun yourself.

    Patterns

    • sun yourself
    • sun something

    The lizards sun themselves on the warm rocks.

    Tourists were sunning on the beach.

    She hung the blankets out to sun them.

Word forms

pluralsuns
third person singularsuns
past tensesunned
-ing formsunning

Common combinations

the sun rises
We left before the sun rose.
the sun sets
The sun sets behind the hills at six.
bask in the sun
Seals bask in the sun on the rocks.
out of the sun
Keep the baby out of the sun at midday.
under the sun
They talked about everything under the sun.

Synonyms and how they differ

sunshine
Sunshine is the light and warmth of the sun on the ground, while sun can also mean the star itself.
daylight
Daylight is the natural light of day, which may come even without direct sun.
star
Star is the general word for any burning sphere in space, while sun is the one our planet circles.
bask
Bask is a verb that suggests enjoying warmth, and is a close match to the verb use of sun.

Opposites

Word family

sunny adjective
bright with sunshine
sunlight noun
light from the sun
sunrise noun
the time when the sun first appears
sunset noun
the time when the sun goes down
sunburn noun
red, sore skin from too much sun

Commonly confused: sun or son?

sun vs son

Son is a male child and sounds exactly like sun, but the spelling differs: the sun shines, my son sleeps.

Practice

Remember to wear a hat, because there is not much shade and too much ____ can cause burns.

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