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 This expectation has no observable foundation in Xi’s 14-year rule. — Jonathan A. Czin, The Atlantic, 14 Sep. 2026 Rather than explaining behavior solely in terms of observable stimuli and responses, cognitive psychologists investigated ways in which individuals acquire, organize, store, and use information. — Encyclopedia Britannica, 8 Sep. 2026 This configuration would allow the stealth fighter to preserve its low observable characteristics during combat operations. — Sujita Sinha, Interesting Engineering, 24 Aug. 2026 The event will be so luminous that it could be detected halfway across the observable universe. — Phil Plait, Scientific American, 14 Aug. 2026 See All Example Sentences for observable

Recent Examples of Synonyms for observable

Adjective

McDonald’s said the restaurant modernizations include lockers to handle delivery orders more easily, more visible coffee preparation areas to enhance quality perceptions, bigger play areas and improved kitchen layouts.

— ABC News, ABC News, 23 Sep. 2026
Making restaurant reservations on their creator’s behalf is one of the AI assistants’ most visible use cases, especially as diners face the growing headache of navigating different apps and credit card reward tiers just to book a meal.

— T.M. Brown, CNN Money, 23 Sep. 2026

Definition of visible

Adjective

That orchestral soundscape attributed to the power train is also noteworthy in that it has been literally made by musicians.

— Viju Mathew, Robb Report, 23 Sep. 2026
Perhaps most noteworthy, the board made clear that once a voter casts their ballot, that vote was final.

— Kacen Bayless, Kansas City Star, 23 Sep. 2026

Definition of noteworthy

Adjective

In flight tests, the tiny drone navigated pitch-black enclosures, mapped unknown room layouts, hugged surface contours, and located exits without a single visual cue.

— Mrigakshi Dixit, Interesting Engineering, 18 Sep. 2026
The visual element of her storytelling evocatively portrays America’s vast desertscapes and cityscapes, while bringing the journey to palpable life for teenage readers.

— Literary Hub, Literary Hub, 17 Sep. 2026

Definition of visual

Adjective

What makes Italian culture genuinely unique is not a passive reverence for history, but a remarkable ability to constantly renegotiate that heritage in the service of the future.

— Martino Carrera, Footwear News, 21 Sep. 2026
That said, the actress playing the diminutive vigilante — a remarkable Sneha Kumari — drums up just enough passion and intrigue to counterbalance this relatively rote unfurling.

— Siddhant Adlakha, IndieWire, 21 Sep. 2026

Definition of remarkable

Adjective

Our crews noticed that since Sabini's death, the white striping and bicycle lane indicators had been repainted with new white paint, but no other noticeable changes have been made.

— Ashley Sharp, CBS News, 18 Sep. 2026
Pisces February 19 – March 20 Questions of trust may become more noticeable today, especially where money, privacy, or emotional dependence is involved.

— Tarot.com, Hartford Courant, 18 Sep. 2026

Definition of noticeable

Adjective

In 2025, Wilkerson-Greines hosted North Crowley’s state semifinal win over Duncanville, providing one of the most memorable atmospheres of the 2025-26 school year with approximately 5,000 fans in attendance.

— Charles Baggarly, Fort Worth Star-Telegram, 23 Sep. 2026
Read ahead for 24 fabulous elopement dresses that’ll help make your big day memorable.

— Sarah Zendejas, Vogue, 23 Sep. 2026

Definition of memorable

Adjective

The Zombies’ records are notable for their production values, bringing in echoes and other effects for songs that in lesser hands would be simple unadorned rave-ups.

— Christopher Arnott, Hartford Courant, 20 Sep. 2026
As a result of it, very few high-profile awards contenders screened on those dates, and the films that did screen, as world premieres, didn’t make much noise… with one notable exception.

— Scott Feinberg, HollywoodReporter, 20 Sep. 2026

Definition of notable

Browse Nearby Words

observability

observable

observance

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Style

“Observable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/observable. Accessed 24 Sep. 2026.

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Synonyms of observable

adjective

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