different between unstable vs irrepressible

English

Etymology

un- +? stable

Pronunciation

• IPA^(key): /?n?ste?b??/
• Rhymes: -e?b?l

Adjective

unstable (comparative more unstable, superlative most unstable)

1. Having a strong tendency to change.
2. Fluctuating; not constant.
3. Fickle.
4. Unpredictable.
5. (chemistry) Readily decomposable.
6. (physics) Radioactive, especially with a short half-life.

Synonyms

• (having strong tendency to change): labile
• (fluctuating, not constant): instable (rare); see also Thesaurus:unsteady
• (fickle): arbitrary, capricious
• (not held or fixed securely and likely to fall over): tottering, unsteady, wobbly; see also Thesaurus:rickety

Antonyms

• stable

Related terms

• instability
• unstability (rare)

Translations

Verb

unstable (third-person singular simple present unstables, present participle unstabling, simple past and past participle unstabled)

1. (transitive) To release (an animal) from a stable.

Anagrams

• abluents, ant-blues, bleaunts, blue ants, tunables, unablest

English

Etymology

ir- +? repressible

Adjective

irrepressible (not generally comparable, comparative more irrepressible, superlative most irrepressible)

1. Not containable or controllable.
   • 1858, Charles Dickens, Nicholas Nickleby, ch. 15:

     [...] here the two friends burst into a variety of giggles, and glanced from time to time, over the tops of their pocket-handkerchiefs, at Nicholas, who from a state of unmixed astonishment, gradually fell into one of irrepressible laughter [...]

2. (of a person) Especially high-spirited, outspoken, or insistent.
   • 1875, Wilkie Collins, The Law and the Lady, ch. 3:

     The irrepressible landlady gave the freest expression to her feelings.

   • 1901, Frank Norris, The Octopus, Book II, Conclusion:

     "The irrepressible Yank is knocking at the doors of their temples and he will want to sell 'em carpet-sweepers for their harems."

   • 1963 July 12, "People," Time:

     It was Paris' irrepressible High Fashion Doyenne Gabrielle ("Coco") Chanel, 80, so-soing this and high-hatting that, while Women's Wear Daily took notes.

   • 2012 July 24, Mel Watkins, "Sherman Hemsley, ‘Jeffersons’ Star, Is Dead at 74," New York Times (retrieved 16 June 2013):

     High-strung and irrepressible, George Jefferson quickly became one of America’s most popular television characters, a high-energy, combative black man who backed down to no one.

Translations