absurd idea

Translations
абсурдная идея
It was an absurd idea to think we could finish the project in one day.
Это была абсурдная идея думать, что мы сможем закончить проект за один день.
Definitions
A concept or suggestion that is wildly unreasonable, illogical, or inappropriate, often to the point of being laughable or nonsensical.
Words
idea

noun
идея
absurd

adjective
абсурдный