Definitions

stable

[stey-buhl] / ˈsteɪ bəl /

ADJECTIVE

constant, fixed; resistant

Synonyms

STRONGEST

balanced calm durable fast lasting permanent reliable safe secure solid steady strong substantial

STRONG

abiding anchored enduring established even firm invariable nailed poised set sound stabile stalwart staunch stout tough uniform

WEAK

brick-wall deep-rooted equable immutable perdurable resolute set in stone solid as a rock stationary staying put steadfast sturdy sure together unalterable unchangeable unfluctuating unvarying unwavering well-built well-founded

Antonyms

STRONGEST

broken ephemeral imbalanced impermanent insecure intermittent loose soft temporary undependable unfixed unprotected unreliable unsafe unstable untrustworthy vulnerable weak

STRONG

changeable changing different flexible indefinite irresolute unsound

WEAK

inconstant shaky wobbly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Claude 3.5 Sonnet maintained stable performance through lists of twenty words but then experienced a sharp decline, falling to 24% accuracy with forty-word lists.

From Science Daily • Jun. 10, 2026

The female was found in a vehicle near the scene and was transported to a hospital where she was stable, according to the news release.

From Los Angeles Times • Jun. 9, 2026

“People typically come into the program not job-ready to work. These are not job-ready individuals. They need training. But we also need to make sure they have access to stable housing and access to food.”

From MarketWatch • Jun. 9, 2026

The angry howls and popping exhaust notes came from a stable of candy-colored Porsche 718 Cayman GT4 RS Clubsports.

From The Wall Street Journal • Jun. 8, 2026

Creating a stable calendar was a problem for most ancient peoples, because they generally started out with a lunar calendar: the length of a month was the time between successive full moons.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

Vocabulary lists containing stable

List 8

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Africa - Introductory

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Africa - Middle School

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