insidious

As adjectives the difference between insidious and iniquitous

is that insidious is producing harm in a stealthy, often gradual, manner while iniquitous is wicked or sinful.

As an adjective insidious

is producing harm in a stealthy, often gradual, manner.

As a noun abduction is

leading away; a carrying away .

As an adjective insidious

is producing harm in a stealthy, often gradual, manner.

As a noun resonation is

the act or state of resonating.

As adjectives the difference between intrepid and insidious

is that intrepid is fearless; bold; brave while insidious is producing harm in a stealthy, often gradual, manner.

As a proper noun serpentine

is the lake in hyde park, london or serpentine can be a name given to several rivers in alaska, australia, canada and new zealand .

As an adjective insidious is

producing harm in a stealthy, often gradual, manner.

As adjectives the difference between insidious and undefined

is that insidious is producing harm in a stealthy, often gradual, manner while undefined is lacking a definition or value.

As adjectives the difference between implicit and insidious

is that implicit is implied indirectly, without being directly expressed while insidious is producing harm in a stealthy, often gradual, manner.

Insidious is a synonym of circumventive.

As adjectives the difference between insidious and circumventive

is that insidious is producing harm in a stealthy, often gradual, manner while circumventive is evading]] or [[overcome|overcoming some protective measure.

As adjectives the difference between spiteful and insidious

is that spiteful is filled with, or showing, spite; having a desire to vex, annoy, or injure; malignant; malicious while insidious is producing harm in a stealthy, often gradual, manner.

Clever is a related term of insidious.

As adjectives the difference between clever and insidious

is that clever is nimble with hands or body; skillful; adept while insidious is producing harm in a stealthy, often gradual, manner.