Alarming(adjective)
In a way that causes worry and fear.
Hindi meaning:ख़तरनाक ढंग से
Synonyms: Startling, Dreadful, Chilling, Appealing, Distressing
Antonyms: Soothing, Calming, Pacifying, Comforting
Example: Prices are rising at an alarming rate.
Trick to remember: Kuch alarming (horrifying) hone par hi hum alarm bajate h. 
