absurd , asinine , brainless , cockamamy , crazy
dense, dim-witted, dull, foolish, moronic, simple minded
There are several you could use: absurd, crazy, unreasonable, foolish, distraught, and others.
Preposterous, ridiculous, ludicrous, farcical, laughable, risible, idiotic, stupid, and foolish.
Absurd, giddy, foolish, vacuous, unintelligent, childish, fatuous, immature, pointless, meaningless, idiotic, unwise, stupid, simple, puerile...
A blunder is a foolish mistake.
heart and wise
foolish, thoughtless, impulsive, daring, fiery
absurd , asinine , brainless , cockamamy , crazy
Unwise , imprudent , indiscreet , idiotic , silly , ridiculous ,
Foolish means "not wise", "silly", or even "ignorant." It is a word that is frequently used as a synonym for stupid. "Olivia's foolish answer made her blush with shame." "John felt foolish when he missed the point of the question."
foolish, silly, brainless, empty-headed, giddy
dense, dim-witted, dull, foolish, moronic, simple minded
There are several you could use: absurd, crazy, unreasonable, foolish, distraught, and others.
foolish, terrible, shocking, awful, appalling, horrible, fearful, hideous, atrocious
Preposterous, ridiculous, ludicrous, farcical, laughable, risible, idiotic, stupid, and foolish.
I think you meant it as to act rationally. "Don't be so rational" basically means don't base on assumptions.