How to say "idiot" in English?

There are three English translations of idiot.

1. The first one is: "fool", English [fu:l], American [ful].

n. Fool, fool; deceived; person with a hobby; person who is fooled

vt. Fool, deceive; waste, waste; make a joke; idle

vi. Cheating; joking; teasing

adj. Stupid; silly

2. The second type: "idiot", British [?di?t], American [?di?t].

n.: idiot; fool, fool

3. The third type: "stupid fellow", [English][?stju:pid]?[?fel?], [ Beauty][?stup?d, ?stju-]?[?felo?].

Translated as: stupid guy

Extended information:

1. synonyms of stupid

(1), silly? adj. stupid Confused; unreasonable; mindless;

n. (often used to point out stupid behavior to children) silly child, naughty ghost; fool, idiot

(2 ), sinine? adj. Donkey; donkey-like; extremely stupid; stubborn

(3), unintelligent? adj. Lack of intelligence, dull, without intelligence; small head and small brain< /p>

(4), foolish? adj. Stupid; reckless; absurd, ridiculous; mixed

References:

1. Baidu Encyclopedia-fool

2. Baidu Encyclopedia-idiot

3. Baidu Encyclopedia-stupid