Associations to the word «Insidious»

Wiktionary

INSIDIOUS, adjective. Producing harm in a stealthy, often gradual, manner.
INSIDIOUS, adjective. Intending to entrap; alluring but harmful.
INSIDIOUS, adjective. (nonstandard) Treacherous.

Dictionary definition

INSIDIOUS, adjective. Beguiling but harmful; "insidious pleasures".
INSIDIOUS, adjective. Intended to entrap.
INSIDIOUS, adjective. Working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison".

Wise words

Speak clearly, if you speak at all; carve every word before you let it fall.
Oliver Wendell Holmes