Crackpotty

That is about the crack[-]pottiest scheme of all.

Source: wiktionary

You said just what I was meaning to write to you and say, except that you say “understatement is the only emphasis,” while I was going to seek emphasis by saying that of all the crackpot notions afloat the crack[-]pottiest is the combination of the three sillinesses of imagining that we can keep the secret of the atomic bomb if we just don’t tell it, of proposing to put future scientific research under government control (which we had always despised as one of the most glaring stupidities of Nazi and Soviet methods), and of putting the whole thing under the Army, the most unprogressive branch of our government.

Source: wiktionary

That silly little clown, LaGuardia, repudiated by all but the crackpottiest of the crackpots, told a Senate group the other day that unless the White House changes around to his way of thinking “some of us won’t be available to stump for Harry Truman next year.”

Source: wiktionary

The precedent-shattering significance of this is not so much that Ronald Reagan is a political figure—though this in itself is an important point—as that he is the sponsor of some of the crackpottiest ideas now floating around in the political soup.

Source: wiktionary