it seemed improbable that the hot weather would continue

unlikely, doubtful, dubious, debatable, questionable, uncertain

an improbable exaggeration

unconvincing, unbelievable, implausible, unlikely
probable, believable

Synonyms and antonyms dictionary. 2014.


Look at other dictionaries:

  • improbable — [ ɛ̃prɔbabl ] adj. • 1606; « réprouvable » XVe; de 1. in et probable 1 ♦ Vx Invraisemblable, dont on ne peut apporter la preuve. « un tas d aventures improbables » (Voltaire). 2 ♦ Mod. Qui a peu de chances de se produire. ⇒ douteux. Éventualité,… …   Encyclopédie Universelle

  • Improbable — Im*prob a*ble, a. [L. improbabilis; pref. im not + probabilis probable: cf. F. improbable. See {Probable}.] Not probable; unlikely to be true; not to be expected under the circumstances or in the usual course of events; as, an improbable story or …   The Collaborative International Dictionary of English

  • Improbable — is a 2005 Science Fiction Thriller novel by author Adam Fawer. It is the story of a gifted young man named David Caine, who has been troubled by debilatating epilleptic seizures to the extent that his medical condition has thrown his life… …   Wikipedia

  • improbable — adjetivo 1. Que es difícil que ocurra: Es improbable que mañana llueva, está el cielo muy claro. Antónimo: probable …   Diccionario Salamanca de la Lengua Española

  • improbable — index disputable, doubtful, implausible, impossible, incredible, unbelievable, unforeseeable, unsound ( …   Law dictionary

  • improbable — (adj.) 1590s, from assimilated form of IN (Cf. in ) (1) not, opposite of + PROBABLE (Cf. probable), or else from L. improbabilis. Related: Improbably …   Etymology dictionary

  • improbable — see probable …   Modern English usage

  • improbable — [adj] not likely doubtful, dubious, fanciful, far fetched, flimsy*, hundred to one*, iffy*, implausible, inconceivable, not expected, outside chance*, questionable, rare, slim, slim and none*, unbelievable, uncertain, unconvincing, unheard of,… …   New thesaurus

  • improbable — adj. No probable …   Diccionario de la lengua española

  • improbable — ► ADJECTIVE ▪ not likely to be true or to happen. DERIVATIVES improbability noun (pl. improbabilities) improbably adverb …   English terms dictionary

  • improbable — [im präb′ə bəl] adj. [L improbabilis] not probable; not likely to happen or be true; unlikely improbability n. pl. improbabilities improbably adv …   English World dictionary