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Legacy synonym data

Synonyms for “Unstable” — 15 Other Ways to Say It

Meaning of Unstable

Use the synonym list below to choose a clearer alternative for your sentence.

15 Synonyms for Unstable — Words Similar to Unstable

Browse alternative words with their meaning, level, and a real example sentence so you pick the synonym that fits your context.

precarious

/prɪˈkɛəriəs/
adj C1 Formal

Something that is uncertain and could easily fall apart or change; not safe or secure.

Example: The family's precarious financial situation improved after the main earner found stable employment.

Antonyms of Unstable — Opposite Words

Frequently Asked Questions About Synonyms of Unstable

What is another word for "unstable"?

Common synonyms for "unstable" include: fluid, unsound, precarious, tippy, tender.

What can I say instead of "unstable"?

Try one of these alternatives: fluid, unsound, precarious, tippy, tender. Pick the synonym whose register and meaning fits your sentence — see the cards above for definitions and examples.

When should I use "unstable" instead of "fluid"?

Use "unstable" when you want to keep the exact nuance shown in the meaning section above; switch to "fluid" when you need a different register, level, or shade of meaning. Compare the cards above to decide.

What are the antonyms of "unstable"?

Words with the opposite meaning of "unstable" include: stable.

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