Unstable

//ʌnˈsteɪ.bəl//

Synonyms for "unstable" (245 found)

Ranked by relevance and common usage.

Closest matches (49)

Strong matches (74)

Related words (122)

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

8 relation types

Translations

47 translations across 31 languages.

Powered by Wiktionary

Ancient Greek

2 entries
  • ἀστάθμητος adj (not stable)
  • ἀσταθής adj (not stable)

Asturian

1 entries
  • inestable adj (not stable)

Azerbaijani

1 entries
  • sabitsiz adj (not stable)

Bulgarian

1 entries
  • нестабилен adj (not stable)

Catalan

1 entries
  • inestable adj (not stable)

Dutch

1 entries
  • instabiel adj (not stable)

Esperanto

1 entries
  • nestabila adj (not stable)

Finnish

1 entries
  • epävakaa adj (not stable)

French

2 entries
  • instable adj (not stable)
  • instable adj (readily decomposed or decomposable)

Galician

2 entries
  • inestable adj (not stable)
  • inestábel adj (not stable)

Georgian

3 entries
  • არამყარი adj (not stable)
  • არასტაბილური adj (not stable)
  • ცვალებადი adj (not stable)

German

2 entries
  • instabil adj (not stable)
  • labil adj (not stable)

Greek

1 entries
  • ασταθής adj (not stable)

Hindi

1 entries
  • अस्थिर adj (not stable)

Hungarian

2 entries
  • ingatag adj (not stable)
  • instabil adj (not stable)

Indonesian

1 entries
  • labil adj (not stable)

Italian

2 entries
  • instabile adj (not stable)
  • instabile adj (readily decomposed or decomposable)

Japanese

1 entries
  • 不安定 adj (not stable)

Kazakh

1 entries
  • аумалы adj (not stable)

Ladino

1 entries
  • instavle adj (not stable)

Latin

1 entries
  • instābilis adj (not stable)

Māori

3 entries
  • koritaka adj (not stable)
  • takahuirangi adj (not stable)
  • whakaroiroi adj (not stable)

Northern Kurdish

1 entries
  • xwenegir adj (readily decomposed or decomposable)

Persian

1 entries
  • ناپایدار adj (not stable)

Polish

2 entries
  • niestabilny adj (not stable)
  • niestały adj (not stable)

Portuguese

2 entries
  • instável adj (not stable)
  • instável adj (readily decomposed or decomposable)

Romanian

3 entries
  • inconstant adj (not stable)
  • instabil adj (not stable)
  • variabil adj (not stable)

Russian

1 entries
  • неусто́йчивый adj (not stable)

Spanish

3 entries
  • inestable adj (not stable)
  • inestable adj (readily decomposed or decomposable)
  • instable adj (readily decomposed or decomposable)

Swedish

1 entries
  • instabil adj (not stable)

Tajik

1 entries
  • нопойдор adj (not stable)

Sample sentences

18 total sentences available.

Tatoeba + Wiktionary

Future prospects for ASEAN seem unstable, no matter how you look at it.

Source: tatoeba (279838)

The political situation was, to say the least, extremely unstable during the next ten years of his reign.

Source: tatoeba (286539)

Fortune is unstable, while our will is free.

Source: tatoeba (907463)

Antimatter is highly unstable.

Source: tatoeba (952332)

Showing 4 of 18 available sentences.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.