All ominously synonyms
om·i·nous
O o adverb ominously
- threateningly — tending or intended to menace: threatening gestures.
- worryingly — to torment oneself with or suffer from disturbing thoughts; fret.
- gloomily — dark or dim; deeply shaded: gloomy skies.
- portentously — of the nature of a portent; momentous.
- unpromising — unlikely to be favorable or successful, as the weather, a situation, or a career.