- The definition of ominous is something that suggests bad things will happen soon.
An example of ominous is a dark cloud before a thunderstorm.
Very ominous clouds.
ominous definition by Webster's New World
Origin: Classical Latin ominosus
ominous definition by American Heritage Dictionary
- Menacing; threatening: ominous black clouds; ominous rumblings of discontent.
- Of or being an omen, especially an evil one.
Origin: Latin ōminōsus, from ōmen, ōmin-, omen.
- omˈi·nous·ly adverb
- omˈi·nous·ness noun