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

Positive qualities—promptness, diligence, cheerfulness—sped up your ascent through the ranks; negative ones—laziness, dissipation, late mornings—slowed it down.

— Jake Lundberg, The Atlantic, 23 July 2026
How is one not enamored of the Dutch fans’ togetherness and cheerfulness, or the costumes and smiles of the Japanese fans?

— Sun Sentinel Editorial Board, Sun Sentinel, 25 June 2026

Definition of cheerfulness

Noun

In practice, though, adoption remains inconsistent, regulations vary by country, and many vehicles still rely on brute-force brightness rather than precision.

— Matthew MacConnell, ArsTechnica, 3 Aug. 2026
The Pixel 10a has a 2,424-by-1,080-pixel display, a semi-variable refresh rate ranging from 60Hz to 120Hz, and a whopping 3,000-nit brightness.

— Kimberly Gedeon, PC Magazine, 3 Aug. 2026

Definition of brightness

Noun

Reach out to a teammate about travel plans or a community event, because purpose fires your optimism and keeps everyone moving together.

— Tarot.com, Chicago Tribune, 7 Aug. 2026
Oil prices tumbled at the start of the week on optimism that a deal to reopen the strait could be imminent.

— Sophia Saifi, CNN Money, 7 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 9 Aug. 2026.

Copy Citation

Synonyms of sunniness

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

anecdote

Popular in Grammar & Usage

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?

Popular in Wordplay

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Aug. 7

How long is a jiffy?

Popular

7 Pairs of Commonly Confused Words

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

Games & Quizzes