OBSERVABLE Synonyms: 79 Similar and Opposite Words

observable

adjective

əb-ˈzər-və-bəl

Definition of observable

as in visible

capable of being seen scientists often work with phenomena that are not directly observable

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in noteworthy

worth remembering or mentioning a man who apparently was devoid of any observable virtue

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.

Recent Examples of observable DroiClaw aims to create a secure, controllable, and observable AI agent ecosystem by giving users greater oversight of how agents operate. — New Atlas, 23 July 2026 Errant thoughts will still arise (the laundry, the email, the certainty that your opening scene is a disaster) but in a mindful state, those thoughts are observable. — April Dávila, Literary Hub, 22 July 2026 This will spread them out in time so that any additional photons that come from cutting it off are observable. — Chris Lee, ArsTechnica, 22 July 2026 Sarkar proved that every quantum operation is associated with a unique set of observable correlations. — Rupendra Brahambhatt, Interesting Engineering, 18 July 2026 See All Example Sentences for observable

Recent Examples of Synonyms for observable

Adjective

However, in the case of the sun, the effect isn’t usually visible because of its massive size.

— Katie Hunt, CNN Money, 8 Aug. 2026
Protecting pilot vision A nuclear weapon produces an intense burst of thermal and visible light within fractions of a second after detonation.

— Aamir Khollam, Interesting Engineering, 7 Aug. 2026

Definition of visible

Adjective

In 1981 a bold experiment in rock music began as MTV took the air and made music a visual as well as auditory experience.

— Tracy Grant, Encyclopedia Britannica, 7 Aug. 2026
Those don’t work without the pure visual storytelling beats of character emotion that Culpepper balances them with.

— Sarah Shachat, IndieWire, 7 Aug. 2026

Definition of visual

Adjective

As the war in Iran continues, TIFF will host the world premiere of a Tehran, Under the Skin, a documentary that offers a remarkable view of an unexpected aspect of Iranian society.

— Matthew Carey, Deadline, 5 Aug. 2026
The latest find is one of many remarkable Roman discoveries made across England in recent years.

— Andrea Margolis, FOXNews.com, 5 Aug. 2026

Definition of remarkable

Adjective

Although the moon’s dark umbral shadow will miss North America, millions of people will still see the moon take a noticeable bite out of the sun.

— Jamie Carter, Forbes.com, 2 Aug. 2026
Sodium-ion chemistry also performs well in cold weather, where conventional lithium-ion batteries often experience noticeable reductions in charging speed and driving range.

— Kaif Shaikh, Interesting Engineering, 2 Aug. 2026

Definition of noticeable

Adjective

The actress also had a memorable guest turn on The Vampire Diaries and reunited with Ben McKenzie for a diabolical three-episode run on Gotham.

— Kevin Jacobsen, Entertainment Weekly, 5 Aug. 2026
This perfume combines the quintessential summer fruit with tonka bean, florals, plum nectar, and apple blossom for a truly memorable, sweet but not overly saccharine finish.

— Alanna Martine Kilkeary, Glamour, 5 Aug. 2026

Definition of memorable

Adjective

There are six centuries of architectural styles represented in the buildings here, with Renaissance and Baroque among the most notable.

— Condé Nast, Condé Nast Traveler, 4 Aug. 2026
The resignation of education minister Dharmendra Pradhan last month, however, was a notable exception, experts say.

— ABC News, ABC News, 4 Aug. 2026

Definition of notable

Browse Nearby Words

observability

observable

observance

See all Nearby Words

Cite this Entry

Style

“Observable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/observable. Accessed 8 Aug. 2026.

Copy Citation

Synonyms of observable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on observable

More from Merriam-Webster

Word of the Day

nurture

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