threatening

[thret-n-ing]
adjective
  1. tending or intended to menace: threatening gestures.
  2. causing alarm, as by being imminent; ominous; sinister: threatening clouds.

Origin of threatening

First recorded in 1520–30; threaten + -ing2
Related formsthreat·en·ing·ly, adverbnon·threat·en·ing, adjectivenon·threat·en·ing·ly, adverbun·threat·en·ing, adjectiveun·threat·en·ing·ly, adverb

Synonyms for threatening

2. See imminent, ominous.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for nonthreatening

Contemporary Examples of nonthreatening