Pronunciation: /ʌnˈsteɪbəl/

Definitions of unstable

adjective describing something that is not firmly fixed or steady; easily changed or disrupted

Example Sentences

A1 The table is unstable because one of the legs is shorter than the others.

A2 She felt uneasy walking on the unstable bridge.

B1 The political situation in the country is unstable due to ongoing protests.

B2 The economy is becoming increasingly unstable as inflation rates rise.

C1 The company's future is uncertain as it operates in an unstable market.

C2 The region has been plagued by unstable governments for decades, causing turmoil and unrest.

Examples of unstable in a Sentence

formal The chemical reaction resulted in an unstable compound.

informal Her emotions were all over the place, making her feel really unstable.

slang I heard that relationship is on the rocks, it's pretty unstable.

figurative The political situation in the country is becoming increasingly unstable.

Grammatical Forms of unstable

past tense

destabilized

plural

unstables

comparative

more unstable

superlative

most unstable

present tense

unstable

future tense

will be unstable

perfect tense

has been unstable

continuous tense

is being unstable

singular

unstable

positive degree

unstable

infinitive

to be unstable

gerund

unstabling

participle

unstable

Origin and Evolution of unstable

First Known Use: 1250 year
Language of Origin: Latin
Story behind the word: The word 'unstable' originated from the Latin word 'instabilis', which is a combination of the prefix 'in-' meaning 'not' and 'stabilis' meaning 'stable'.
Evolution of the word: Over time, the word 'unstable' has retained its original meaning of not being stable or firm, but it has also come to be used in a more metaphorical sense to describe someone's mental or emotional state.