different between flighty vs unstable

English

Etymology

From flight +? -y. Compare Dutch vluchtig (“volatile; fleeting; cursory”), German flüchtig (“volatile; fleeting; momentary; quick”), Danish flygtig (“elusive; evasive”), Swedish flyktig.

Pronunciation

• IPA^(key): /?fla?ti/

Adjective

flighty (comparative flightier, superlative flightiest)

1. Given to unplanned and silly ideas or actions.
2. (of a bird) That flies easily or often.
   • 2013, Diego Gil, Henrik Brumm, Avian Urban Ecology

     "We know that flighty birds suffer from greater risk of raptor predation, and I assume that it is useful to understand the effects of urbanization because flighty species may be more vulnerable to anthropogenic disturbance."

3. (obsolete) Swift.

Translations

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