INSIDIOUSNESS

Pronunciation (US):

(GB):

 Dictionary entry overview: What does insidiousness mean? 

• INSIDIOUSNESS (noun)
  The noun INSIDIOUSNESS has 2 senses:

1. subtle and cumulative harmfulness (especially of a disease)

2. the quality of being designed to entrap

  Familiarity information: INSIDIOUSNESS used as a noun is rare.

 Dictionary entry details 

• INSIDIOUSNESS (noun)

Sense 1

Meaning:

Subtle and cumulative harmfulness (especially of a disease)

Classified under:

Nouns denoting attributes of people and objects

Hypernyms ("insidiousness" is a kind of...):

harmfulness; injuriousness (destructiveness that causes harm or injury)

Derivation:

insidious (working or spreading in a hidden and usually injurious way)

Sense 2

Meaning:

The quality of being designed to entrap

Classified under:

Nouns denoting attributes of people and objects

Hypernyms ("insidiousness" is a kind of...):

perfidiousness; perfidy; treachery (betrayal of a trust)

Derivation:

insidious (intended to entrap)

insidious (beguiling but harmful)