baleful, baneful -- (deadly or sinister; "the Florida eagles have a fierce baleful look")
baleful, forbidding, menacing, minacious, minatory, ominous, sinister, threatening -- (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")
(Sound)
