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We found 41 dictionaries with English definitions that include the word unstable:
Click on the first link on a line below to go directly to a page where "unstable" is defined.

General (30 matching dictionaries)

1. unstable: Merriam-Webster.com [home, info]
2. unstable: Oxford Learner's Dictionaries [home, info]
3. unstable: American Heritage Dictionary of the English Language [home, info]
4. unstable: Collins English Dictionary [home, info]
5. unstable: Vocabulary.com [home, info]
6. unstable: Macmillan Dictionary [home, info]
7. unstable: Wordnik [home, info]
8. unstable: Cambridge Advanced Learner's Dictionary [home, info]
9. unstable: Wiktionary [home, info]
10. unstable: Webster's New World College Dictionary, 4th Ed. [home, info]
11. unstable: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. unstable: Infoplease Dictionary [home, info]
13. unstable: Dictionary.com [home, info]
14. unstable: Online Etymology Dictionary [home, info]
15. unstable: UltraLingua English Dictionary [home, info]
16. unstable: Cambridge Dictionary of American English [home, info]
17. Unstable (album), Unstable (song): Wikipedia, the Free Encyclopedia [home, info]
18. Unstable: Online Plain Text English Dictionary [home, info]
19. unstable: Webster's Revised Unabridged, 1913 Edition [home, info]
20. unstable: Rhymezone [home, info]
21. Unstable: AllWords.com Multi-Lingual Dictionary [home, info]
22. unstable: Webster's 1828 Dictionary [home, info]
23. unstable: Free Dictionary [home, info]
24. unstable: Mnemonic Dictionary [home, info]
25. unstable: WordNet 1.7 Vocabulary Helper [home, info]
26. unstable: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. unstable: Dictionary/thesaurus [home, info]
28. Unstable: Wordnik [home, info]

Business (4 matching dictionaries)

29. Unstable: Construction Term Glossary [home, info]
30. Unstable: Deardorff's Glossary of International Economics [home, info]
31. unstable: Legal dictionary [home, info]
32. unstable: BusinessDictionary.com [home, info]

Computing (1 matching dictionary)

33. Unstable (Debian), unstable: Encyclopedia [home, info]

Medicine (1 matching dictionary)

34. unstable: Medical dictionary [home, info]

Science (4 matching dictionaries)

35. unstable: PHYSICAL ORGANIC CHEMISTRY [home, info]
36. Unstable: The Computational Beauty of Nature [home, info]
37. unstable, unstable, unstable: PlanetMath Encyclopedia [home, info]
38. Unstable: Accelerator Glossary [home, info]

Slang (1 matching dictionary)

39. unstable: Urban Dictionary [home, info]

(Note: See unstably for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (unstable) ▸ adjective:  highly or violently reactive ("Sensitive and highly unstable compounds") ▸ adjective:  disposed to psychological variability ("His rather unstable religious convictions") ▸ adjective:  lacking stability or fixity or firmness ("Unstable political conditions") ▸ adjective:  subject to change; variable ("Everything was unstable following the coup") ▸ adjective:  affording no ease or reassurance ▸ adjective:  suffering from severe mental illness ▸ Also see unstably ▸ Word origin ▸ Words similar to unstable ▸ Usage examples for unstable ▸ Idioms related to unstable (New!) ▸ Popular nouns described by unstable ▸ Words that often appear near unstable ▸ Rhymes of unstable ▸ Invented words related to unstable