Definition of insidious

Scrabble & Words with friends points

• insidious is a valid Scrabble US word with a point value of 10
• insidious is a valid Scrabble UK word with a point value of 10
• insidious is a valid Words with friends word with a point value of 12

Definition of insidious

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

  Examples

  1. glaucoma is an insidious disease

  Synonyms

  1. pernicious
  2. subtle
• beguiling but harmful (adjective)

  Examples

  1. insidious pleasures
• intended to entrap (adjective)

See definition of insidious in Merriam Webster