unstable

[US]/ʌnˈsteɪbl/
[UK]/ʌnˈsteɪbl/
Frequency: Very High

Translation

adj.not firm or steady; in a state of constant change or flux; likely to change or fail

Phrases & Collocations

unstable state

unstable slope

unstable equilibrium

unstable combustion

Example Sentences

the unstable cliff tops.

This bookcase is too unstable to hold so many books.

He was the most unstable kind of fool I had ever seen.

The operation pressure of debutanizer was unstable since a light hydrocarbon recovery unit had been put into use.

But, there were extremely low efficiency of integration, unstable hereditation and expression in transgenic animals by the technique.

eptatretin A potent cardiostimulant obtained from the branchial heart of Eptatretus stouti (Myxinidae). The substance is reported to be a highly unstable aromatic amine.

The manifestation of subhealth mainly included unstable emotion and hypomnesia whose occurrence was correlative with bad life style and family factor.

There is a coal layer on the clay of direct roof.This layers is unstable and easy tofall down after mining and enable the gas to gush out.

cancer patients living on borrowed time; an unstable government that existed for months on borrowed time.

The rubber to metal bonding mostly adopt sulphurate bonding.But if under sulphurating condition the bonding layer is unstable, or suppurating craft is difficult to come true,we adopt cold bonding.

The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.

In fact, the MI patients had unstable angina, a high risk condition already established by pathological studies to bespecifically induced by intramyocardial platelet emboli.

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

Real-world Examples

But Antarctic experts disagree strongly on just how unstable it is.

Source: CET-6 Listening Past Exam Questions (with Translations)

Okay, if anyone's unstable, I'm the unstable one, right?

Source: Our Day Season 2

That seems a bit unstable don't you think?

Source: EnglishPod 91-180

She seemed mentally unstable. So, I nipped that problem in the bud.

Source: VOA Special September 2019 Collection

So collusion and cartels are often unstable.

Source: Economic Crash Course

Without the support of dystrophin in place, the sarcolemma essentially wilts and becomes unstable.

Source: Osmosis - Musculoskeletal

Carbonic acid is actually very unstable ...

Source: Lost Girl Season 4

These two countries are neighbors. The entire Horn of Africa seems really unstable at this minute.

Source: NPR News October 2021 Compilation

It may call for an unstable relationship.

Source: Psychology Mini Class

And it feels to us like she- she might be a little unstable. -Wow, un- unstable?

Source: We this day 2

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