SUNNINESS Synonyms: 30 Similar and Opposite Words

sunniness

noun

Definition of sunniness

as in cheerfulness

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Recent Examples of Synonyms for sunniness

Noun

The service Professionalism comes with genuine warmth, cheerfulness, and a sense of people absolutely loving their jobs.

— Condé Nast, Condé Nast Traveler, 22 Aug. 2026
Kikuko sometimes mistook Shigejiro’s cheerfulness for egoism owing to the distortions produced by her illness.

— Cynthia Zarin, Harpers Magazine, 4 Aug. 2026

Definition of cheerfulness

Noun

While the telescope’s Galactic Bulge survey is designed to primarily search for microlensing events, Roman will also repeatedly measure the brightness of hundreds of millions of stars along the way.

— Thomas Fauchez, The Conversation, 14 Sep. 2026
However, at infrared wavelengths the brightness of an object is dependent mostly on its size, allowing accurate determinations of the diameters of the 27 TNOs.

— Keith Cooper, Space.com, 14 Sep. 2026

Definition of brightness

Noun

Eli Lilly was upgraded to buy from hold at Berenberg, and the drugmaker's leading obesity business isn't the only reason for the optimism.

— Jeff Marks,Kevin Stankiewicz, CNBC, 15 Sep. 2026
Changes bring optimism in Kansas City Getting Bienemy back was also on the mind of Overland Park resident Baron Thompson, who was out cooking with his family in the parking lot hours before kickoff.

— Joseph Hernandez, Kansas City Star, 15 Sep. 2026

Definition of optimism

Noun

As for additional benefits, the bra converters provide a subtle lift and enhance breast perkiness and shape in seconds.

— Sophie Wirt, InStyle, 9 July 2026
For decades, the public face of The Church of Jesus Christ of Latter-day Saints, widely known as the Mormon church, included the perkiness of the Osmond family and missionaries on bicycles, portraying an unwavering, wholesome image.

— H. Alan Scott, MSNBC Newsweek, 26 Nov. 2025

Definition of perkiness

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sunnily

sunniness

sunny

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“Sunniness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sunniness. Accessed 19 Sep. 2026.

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Synonyms of sunniness

noun

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