The phrase "as idiotic" is correct and usable in written English.
It can be used to compare something to a level of idiocy, often in a humorous or critical context.
Example: "His suggestion was as idiotic as trying to fix a car with a hammer."
Alternatives: "as foolish" or "as ridiculous".
I reckon they thought they couldn't look as idiotic as Mr Baker.
Killing for revenge is as idiotic as killing for hire, yet this act is flagrantly rewarded.
Then a couple of dopes began shooting at each other, no doubt over a matter as idiotic as they themselves.
But it's more complicated when a film seems to be telling me that women are just as idiotic as men.
And while that comparison might be as idiotic as what I'm complaining about, it still wins the idiocy battle because it's actually happening.
Although age has subdued them, even given them a certain grace, when they start jabbering about sex, they sound as idiotic as ever.
"Emotions," the final section, begins with the claim that "in the history of art women have always dominated the representation of emotions," an idea that seems almost as idiotic as the notion that men are better at science.
What the show establishes is that young Finnish men — in this case, Jarno Laasala, Jukka Hilden, Jarppi Leppala and H. P. Parviainen — can be just as idiotic as young American men.
Catching us wondering how Mr Palmer in Sense and Sensibility, an intelligent but ill-natured man, could possibly have married a woman as idiotic as Charlotte Jennings, Austen lets Elinor reflect on the puzzle.
TO SOMEONE born in Britain in the second half of this century, it is hard to imagine either that fascism and communism could have appealed to billions of people, or that the regimes founded on those ideas, now widely scorned as idiotic as well as barbaric, endured for so long.
