unstable

English

Etymology

un- +‎ stable

Pronunciation

• Rhymes: -eɪbəl

Adjective

unstable (comparative more unstable, superlative most unstable)

1. having a strong tendency to change
2. fluctuating; not constant
3. fickle
4. unpredictable
5. (chemistry) Readily decompasable
6. (physics) Radioactive, especially with a short half-life

Synonyms

• instable (rare)

Antonyms

• stable

Related terms

• instability
• unstability (rare)

Translations

not stable

• Asturian: inestable (ast)
• Catalan: inestable (ca)
• Dutch: instabiel
• Finnish: epävakaa (fi)
• French: instable (fr)

• Galician: inestable (gl), inestábel (gl)
• Indonesian: labil (id)
• Maori: takahuirangi (mi)
• Portuguese: instável (pt)
• Romanian: instabil (ro), inconstant (ro), variabil (ro)
• Spanish: inestable

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

Translations to be checked

• Esperanto: nestabila

Anagrams

• abluents