Synonyms of menacing

Verb

1. endanger, jeopardize, jeopardise, menace, threaten, imperil, peril, exist, be

usage: pose a threat to; present a danger to; "The pollution is endangering the crops"

2. menace, express, show, evince

usage: express a threat either by an utterance or a gesture; "he menaced the bank manager with a stick"

3. menace, act, behave, do

usage: act in a threatening manner; "A menacing person"

Adjective

1. baleful, forbidding, menacing, minacious, minatory, ominous, sinister, threatening, alarming (vs. unalarming)

usage: 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"