ominous /omˈi-nəs/

1. Relating to, or containing, an omen
2. Portending evil
3. Inauspicious

omˈinously adverb

• high-alumina cement
• high and dry
• high and low
• high and mighty
• high as a kite
• high bailiff
• high bailiffs
• highball
• highballed
• highballing
• highballs
• high-battled
• highbinder
• highbinders
• high-blest
• highblooded
• high-blown
• high-born
• highboy
• highboys
• high-bred
• highbrow
• highbrowism
• highbrowisms
• highbrows