That betokens or presages; prognosticating, foreshowing.

Of or relating to prognosis; characterized by prognostication; prognostic.

Transmission error for pronostik prognostic, adj. (see quot. 1500 at sense 1 at that entry for corrected reading).

Having the nature or quality of a portent; ominous, threatening.

Of the nature of a presage; ominous, portentous; experiencing or involving a presentiment or foreboding.

Of the nature of an omen; portentous. Now rare.

Of or relating to prodigies or omens; (also) of the nature of an omen, portentous.

Portentous, ominous. Formerly also: †oracular, tending to make portents (obsolete).

Indicative of or presaging the future; portending either good or bad events, results, etc.; auspicious; ominous. Also: indicative or suggestive of…

Of the nature of a portent or omen; that is a sign of or foreshadows a future event.

Of good omen, auspicious; expected to produce a favourable result. Obsolete.

That bodes; presaging, portending, ominous.

Having the quality or nature of a portent; ominous, prophetic; = portentous, adj. 1.

Medicine. Predictive of the course or outcome of a disease; of or relating to prognosis.

Full of significance about the future; of the nature of a portent, ominous.

Predictive of something; prognostic.

Portentous, ominous.

Prognosticatory, prophetic.

Regarding which predictions may be made; prophetic; portentous, ominous.

portentous.

Taken or used as an omen; of or relating to omens.

presaging, portending.

Full of presage, boding, ominous.

Having the nature or quality of a portent; ominous, threatening; = portentous, adj. 1.