Simple Definition of ominous

from our Learner's Dictionary

ominous

adjective

ˈɑːmənəs

: suggesting that something bad is going to happen in the future

ominous clouds

an ominous threat of war

He spoke in ominous tones.

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“Ominous.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/ominous. Accessed 23 Jul. 2026.

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