a person considered as a source of warmth or energy or glory etc
"After years of working in the shadows, she finally became the sun for her community, radiating hope and energy to everyone around her."
any star around which a planetary system revolves
"Astronomers confirmed that our solar system is just one of billions orbiting its sun within the vast galaxy."
first day of the week; observed as a day of rest and worship by most Christians
"The church bells rang at dawn to mark the beginning of sun, our weekly day for prayer and community."
A star, especially when seen as the centre of any single solar system.
"The weather forecast for Sun looks perfect for our picnic."
A traditional Japanese unit of length, approximately 30.3 millimetres (1.193 inches).
Alternative form of sunn (“the plant”)
Abbreviation of Sunday.
In plain English: The sun is the big, hot star at the center of our solar system that gives us light and heat during the day.
"The sun rose slowly over the horizon this morning."
Usage: Use "sun" to refer to the star at the center of our solar system or the source of daylight. Do not use it as an abbreviation for Sunday, which is always spelled out in standard writing.
To expose to the warmth and radiation of the sun.
"The gardener decided to leave the seedlings outside to let them get some sun before moving them into the greenhouse."
In plain English: To sun means to expose your skin to sunlight so it gets warm or tans.
"The sun was shining brightly on the playground today."
Usage: Use "sun" as a verb specifically when describing an action where someone intentionally exposes their skin to sunlight in order to tan or warm up. This usage is standard in American English but remains uncommon in British English, which often prefers phrases like "lie in the sun."
The star that the Earth revolves around and from which it receives light and warmth.
"My neighbor, Sun, is coming over to borrow some sugar later."
The star at the center of the Solar System, represented in astronomy and astrology by ☉.
A surname.
The word "sun" comes from the Old English sunne, which traces back to a Proto-Indo-European root meaning "sun." It entered Middle English as sonne before settling into its modern form.