1) highly improbable
2) improbable that + clause (it's improbable that she'll accept the invitation)
Combinatory dictionary. 2013.
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
