You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
UNSTABLE
fluid, unstable
(adjective) subject to change; variable; “a fluid situation fraught with uncertainty”; “everything was unstable following the coup”
precarious, unstable
(adjective) affording no ease or reassurance; “a precarious truce”
unstable
(adjective) highly or violently reactive; “sensitive and highly unstable compounds”
unstable
(adjective) disposed to psychological variability; “his rather unstable religious convictions”
unstable
(adjective) lacking stability or fixity or firmness; “unstable political conditions”; “the tower proved to be unstable in the high wind”; “an unstable world economy”
Source: WordNet® 3.1
Etymology
Adjective
unstable (comparative more unstable, superlative most unstable)
Having a strong tendency to change.
Fluctuating; not constant.
Fickle.
Unpredictable.
(chemistry) Readily decomposable.
(physics) Radioactive, especially with a short half-life.
Synonyms
• (having strong tendency to change): labile
• (fluctuating, not constant): instable (rare); see also unsteady
• (fickle): arbitrary, capricious
• (not held or fixed securely and likely to fall over): tottering, unsteady, wobbly; see also rickety
Antonyms
• stable
Verb
unstable (third-person singular simple present unstables, present participle unstabling, simple past and past participle unstabled)
(transitive) To release (an animal) from a stable.
Anagrams
• abluents, ant-blues, bleaunts, blue ants, tunables, unablest
Source: Wiktionary
Un*sta"ble, a. Etym: [Cf. Instable.]
Definition: Not stable; not firm, fixed, or constant; subject to change or overthrow.
– Un*sta"ble*ness, n. Chaucer. Unstable equilibrium. See Stable equilibrium, under Stable.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
23 April 2025
UNMARRIED
(adjective) not married or related to the unmarried state; “unmarried men and women”; “unmarried life”; “sex and the single girl”; “single parenthood”; “are you married or single?”
Coffee Trivia