Idiotic means stupid or foolish. When you call someone an idiotic idea, you are criticizing them for something that is obviously not going to work.
His idea was an idiotic way to solve the problem.
His idea was an idiotic way to spend our money.
adjective
insanely irresponsible
Synonyms:
adjective
having a mental age of three to seven years
Synonyms:
adjective
so unreasonable as to invite derision
Synonyms:
1
John Thune is the most stupid idiot in the world.
2
The realignment this is idiotic.
3
He is such a stripling and an idiot.
4
The aesthetic is the idiotic encarnate.
5
The anonymous user is the idiot.
6
The cartoon was idiotic and childish.
7
The notability notice is idiotic.
8
The trick was idiotic and childish.
9
This fool is a certifiable idiot.
10
I think she is an idiot.