Noxiously(adverb)
Poisonous or Harmful.
Hindi meaning:हानिकारक
Synonyms: Harmfully, Detrimentally, Fatally, Perniciously
Antonyms: Harmlessly, benignly
Example: His noxiously insidious stuff was kept in that room.
Trick to remember: nose mai toxic element dalna bada noxious h 
