'unstable' 的定义

词汇频率

unstable

(ʌnsteɪbəl )

1. 形容词

You can describe something as unstable if it is likely to change suddenly, especially if this creates difficulty or danger.

After the fall of Pitt in 1801 there was a decade of unstable government.

The situation is unstable and potentially dangerous.

同义词：changeable, volatile, unpredictable, variable unstable 的更多同义词

2. 形容词

Unstable objects are likely to move or fall.

Both clay and sandstone are unstable rock formations.

3. 形容词

If people are unstable, their emotions and behaviour keep changing because their minds are disturbed or upset.

He was emotionally unstable.

Coleridge was also a highly unstable person.

同义词：unpredictable, neurotic, irrational, erratic unstable 的更多同义词

unstable 的更多同义词

Video: pronunciation of 'unstable'

词汇频率

unstable in American

(ʌnˈsteɪbəl ; unstāˈbəl)

形容词

not stable

; specif.,

not fixed, firm, or steady; easily upset or unbalanced

changeable; variable; fluctuating

unreliable; fickle

emotionally unsettled

e. Chemistry

tending to decompose or change into other compounds

SIMILAR WORDS: inˈconstant

派生形式

unstableness (unˈstableness)

名词

unstably (unˈstably)

副词

unstable 的词源

词汇频率

unstable in British

(ʌnˈsteɪbəl )

形容词

lacking stability, fixity, or firmness

disposed to temperamental, emotional, or psychological variability

(of a chemical compound) readily decomposing

4. physics

(of an elementary particle) having a very short lifetime

spontaneously decomposing by nuclear decay; radioactive

an unstable nuclide

5. electronics

(of an electrical circuit, mechanical body, etc) having a tendency to self-oscillation

派生形式

unstableness (unˈstableness)

名词

unstably (unˈstably)

副词

含 unstable的例句

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You are emotionally unstable because of stuff that happened to you way back. The Sun (2012)The result is a spread of weak minority governments and unstable coalitions. Times, Sunday Times (2006)The world is becoming a more dangerous and unstable place. The Sun (2010)This has long been a potentially unstable combination. Times, Sunday Times (2006)This results in better outcomes after a patient suffers from unstable angina or a heart attack. Times, Sunday Times (2015)To be doing so while also becoming more mentally unstable would really be depressing. Times, Sunday Times (2008)Any man who would wish to sport a picture of a battered woman must be emotionally unstable. The Sun (2012)The second is less common and occurs at rest and is known as unstable angina. Wallace, Louise M & Bundy, Christine Coping with Angina (1990)Police said he was known to them as a petty offender and appeared to be mentally unstable. Times, Sunday Times (2013)It is also an aid in treating patients with small heart attacks or unstable angina. Pantano, James A. (MD) Living with Angina (1991)He became paranoid and emotionally unstable. The Sun (2016)That's an unstable situation for at least two months. The Sun (2016)It would be obvious that such a Government would be unstable and unable to implement its programme. Times, Sunday Times (2014)So if the situation is unstable and unpredictable, is there anything that can be done? Times, Sunday Times (2013)So in an increasingly dangerous and unstable world can Britain still defend itself against the mounting military threats? Times, Sunday Times (2015)In total, there have been fewer than six years of being governed this way and these periods proved highly unstable. Times, Sunday Times (2015)This situation was extremely unstable. Times, Sunday Times (2011)DSK's defenders paint her as fragile and emotionally unstable. Times, Sunday Times (2011)Their work is probably part-time, and highly unstable. Appelbaum, Richard P. Sociology (1995)The monarchy was overthrown in 1973, and since then government has been unstable. Thackrah, J. R. Twentieth Century History - Basic Facts (1985)Yet convincing people voluntarily to declare income and pay tax, a practice few remember after three decades of violence and unstable governments, is no easy task. Times, Sunday Times (2012)