Ominous (OM-uh-nus)
Category:
Language & Expression
Origin
From Latin ominosus, meaning “full of omens” or “portentous,” derived from omen, meaning a sign believed to predict or foreshadow a future event.
Language Root
Latin omen (“sign, portent, indication of what is to come”) → ominosus (“full of omens, portentous”) → English ominous.
Original Meaning
Full of omens; containing or presenting signs believed to indicate what would happen in the future. An omen itself was not necessarily negative, although ominous eventually developed a predominantly threatening meaning.
Evolution Over Time
In ancient Roman culture, signs and portents could be interpreted as indications of future fortune or misfortune. As ominous developed in English, its meaning increasingly narrowed toward signs suggesting something bad, dangerous, or threatening was approaching. Today, something can feel ominous without anyone literally believing it predicts the future—a darkening sky, an unexpected silence, threatening music, or someone’s unsettling warning can all create an ominous atmosphere.
Modern Usage
Giving the impression that something unpleasant, dangerous, or threatening is likely to happen.
Word Family
Omen, Ominous, Ominously, Ominousness
Related Concept
Omen, Foreboding, Premonition, Prophecy, Prediction, Fate, Destiny, Superstition, Divination, Portent, Warning, Signs, Fear, Anxiety, Suspense, Uncertainty, Intuition, Danger, Threat, Future, Fortune, Misfortune, Ancient Rome, Augury
Narrative
Ominous is the feeling that something is coming before you know what it is. The sky turns an unnatural color. A crowded room suddenly becomes silent. Someone says, “We need to talk.” Nothing terrible has happened yet—but something has changed. That tension reaches back to the word’s ancient connection with the omen: a sign interpreted as pointing toward what comes next. Over centuries, the possibilities narrowed toward darkness. Today, when something feels ominous, the future hasn’t arrived. The warning has.