Ominous(adjective)
Suggesting that something bad is going to happen in the future.
Hindi meaning:अमंगलसूचक
Synonyms: Threatening, Foreboding, Inauspicious, Sinister, Unfavourable, unpromising
Antonyms: Unthreatening, Promising, Propitious, Encouraging
Example: There were ominous dark clouds gathering overhead.
Trick to remember: Weather change se abhi yahi lag raha kuch ominous hone wala hai 
