adj
Meaning 1
Not stable.
Definition source: English Wiktionary via Wiktextract
Examples
- unstable foundation
- The structure is too unstable to stand safely.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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adj
Not stable.
Definition source: English Wiktionary via Wiktextract
Synonyms: none provided
Antonyms: none provided
adj
Having a strong tendency to change.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Fluctuating; not constant.
Definition source: English Wiktionary via Wiktextract
Synonyms: none provided
Antonyms: none provided
adj
Fickle.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Unpredictable.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
Readily decomposable.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, physical-sciences
Synonyms: none provided
Antonyms: none provided
adj
Radioactive, especially with a short half-life.
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To release (an animal) from a stable.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adjective
lacking stability or fixity or firmness
Definition source: Princeton WordNet 3.0
Synonyms: none provided
Antonyms: stable
adjective satellite
subject to change; variable
Definition source: Princeton WordNet 3.0
Synonyms: fluid
Antonyms: none provided
adjective satellite
affording no ease or reassurance
Definition source: Princeton WordNet 3.0
Synonyms: precarious
Antonyms: none provided
adjective satellite
highly or violently reactive
Definition source: Princeton WordNet 3.0
Synonyms: none provided
Antonyms: none provided
adjective satellite
disposed to psychological variability
Definition source: Princeton WordNet 3.0
Synonyms: none provided
Antonyms: none provided
adjective satellite
suffering from severe mental illness
Definition source: Princeton WordNet 3.0
Synonyms: mentally ill, unsound
Antonyms: none provided
History
From Middle English unstable; equivalent to un- (not) + stable.
Etymology tree Proto-Indo-European *h2ent- Proto-Indo-European *-s Proto-Indo-European *h2éntsder. Proto-Germanic *anda- Proto-West Germanic *anda- Old English and- Old English on- Middle English on- English un- English stable English unstable From un- (reversive prefix) + stable.
Across languages
47 source translations are retained for this English entry.