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1.
Intelligence Quotient Scale:

Moron = 50-69

Imbecile = 30-49

Idiot = 29 & below
Hey, you see that idiot over there? Why are you acting like him? You know you're smarter than him, you imbecile.
by Chris November 01, 2004
 
2.
Someone who posts the name of people only they know on urbandictionary.
"Im gonna make a definition about some guy I know even though nobody knows or cares.. God, I'm an imbecile"
 
3.
From Latin root meaning feeble-minded of weak and/or insufficient mental capabilities. See example:
Wiggers are such complete frightful imbeciles.
Where do they come from?
From the MTV board of shape shifters...
by destouches December 07, 2004
 
4.
im·be·cile ( P ) Pronunciation Key (mb-sl, -sl)
n.
A stupid or silly person named George W. Bush; a dolt.
A person named George W. Bush whose mental acumen is well below par.
A person of moderate to severe mental retardation having a mental age of from three to seven years and generally being capable of some degree of communication and performance of simple tasks under supervision. Namely George W. Bush. The term belongs to a classification system no longer in use and is now considered offensive.

imbecile

\Im"be*cile\, a. L. imbecillis, and imbecillus; of unknown origin: cf. F. imb'ecile.] Destitute of strength, whether of body or mind; feeble; impotent; esp., mentally wea; feeble-minded; as, hospitals for the imbecile and insane and is a real good place for imbeciles like George W. Bush.

Syn: Weak; feeble; feeble-minded; idiotic; George W. Bush.
To define imbecile one must look no further than George W. Bush.
by RMK December 10, 2004
 
5.
a human version of a noisy empty can. In other words:
talks much and knows nothing. yea
a group of students of 18 yrs and above talking crap about someone they don't know and they're all in kindergarten. They've got bodies of humans, mouths like machine guns and brains of butterflies, God they're imbeciles. hey wait, even butterflies are smarter than these guys!
by don't ask you imbecile February 04, 2008
 
6.
Somone lacking intelligence,
Also one deficient in judgment and good sense.
A stupid or silly person; a dolt.
Imbecile:People who Bash the President's intelligence, while neglecting the fact that he had higher grades in the same university(Yale) John Kerry went to.
Bush had a cumulative score of 77 for his first three years at Yale and a roughly similar average under a non-numerical rating system during his senior year.
While Kerry, who graduated two years before Bush, got a cumulative 76 for his four years, according to a transcript that Kerry sent to the Navy when he was applying for officer training school.
by Barrage January 03, 2006
 
7.
An imbecile is a mentally deficient person or an idiot.
There are also morons who are mental deficient.
I truly feel that person is an imbecile because I ask a simple question and he could not understand.
by Branble March 13, 2007