SUNNINESS Synonyms: 30 Similar and Opposite Words

sunniness

noun

Definition of sunniness

as in cheerfulness

Related Words

Relevance

Dissimilar Words

Example Sentences

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

However, the displays produced artifact images called burn-in and the brightness of the OLED displays degraded quickly when the displays were operated at high brightness levels when used in the daytime.

— John Koetsier, Forbes.com, 22 Aug. 2026
Compared with the other three models, the Boom Air has the lowest brightness.

— M. David Stone, PC Magazine, 22 Aug. 2026

Definition of brightness

Noun

Equity markets have also largely shrugged off the potential ramifications of the conflict, with global stocks seeing a broad rally this year as corporate earnings optimism outweighed concerns about the war's implications for the world economy.

— Chloe Taylor, CNBC, 28 Aug. 2026
Fans, artists, and leaders across all industries are mourning the star whose relentless optimism, grace, and resilience was a shining light.

— Charisma Madarang, Rolling Stone, 26 Aug. 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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

sunnily

sunniness

sunny

See all Nearby Words

Cite this Entry

Style

“Sunniness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sunniness. Accessed 29 Aug. 2026.

Copy Citation

Synonyms of sunniness

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

kith

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?

Commonly Misspelled Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

The Words of the Week - Aug. 28

Why do we say 'break a leg'?

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes