Main entry: threatening, baleful, ominous, minacious, minatory, sinister, menacing, forbidding
Definition: threatening or foreshadowing evil or tragic developments
Usage: 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
Definition: deadly or sinister
Usage: the Florida eagles have a fierce baleful look