అర్థం : In a harmfully insidious manner.
ఉదాహరణ :
These drugs act insidiously.
పర్యాయపదాలు : insidiously
అర్థం : In a noxiously baneful way.
ఉదాహరణ :
This banefully poisoned climate.
పర్యాయపదాలు : banefully
Perniciously meaning in Telugu.