(ת') מבשר רע; מהווה סימן רע; מאיים

(ש"ע) מבשר רע, סימן רע.

adj. delivering bad news; foreboding; threatening

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Adjective
1. threatening or foreshadowing evil or tragic developments; "a baleful look"; "forbidding thunderclouds"; "his tone became menacing"; "ominous rumblings of discontent"; "sinister storm clouds"; "a sinister smile"; "his threatening behavior"; "ugly black clouds"; "the situation became ugly"
(synonym) baleful, forbidding, menacing, minacious, minatory, sinister, threatening, ugly
(similar) alarming
2. presaging ill-fortune; "ill omens"; "ill predictions"; "my words with inauspicious thunderings shook heaven"- P.B.Shelley; "a dead and ominous silence prevailed"; "a by-election at a time highly unpropitious for the Government"
(synonym) ill, inauspicious
(similar) unpropitious

příd.jm. hrozivý; zlověstný

Przym. złowróżbny

(a.)
Of or pertaining to an omen or to omens; being or exhibiting an omen; significant; portentous; -- formerly used both in a favorable and unfavorable sense; now chiefly in the latter; foreboding or foreshowing evil; inauspicious; as, an ominous dread.