imbecile Definition

imbecile
noun imbeciles

1. old use
Someone of very low intelligence, especially someone who is capable of keeping out of danger and of performing simple tasks only if someone else is supervising.
2. colloq
A stupid person; a fool.
Thesaurus: idiot, dummy (slang), moron, fool, ass (slang), schmuck (slang), nincompoop, blockhead, simpleton, cretin, dullard, dolt, dimwit.

adj

1. Mentally weak; stupid; foolish.

Thesaurus: moronic, imbecilic, inane, ludicrous, simple, asinine, fatuous, feeble-minded, thick, stupid; Antonym: sensible, intelligent.
Form: imbecilic (also)

Derivative: imbecility
noun

Etymology: 16c: from Latin adjective imbecillus feeble or fragile.