What does imbecilic mean?
Imbecilic means foolish to an extreme degree, especially in a way that suggests an absence of intelligence, judgment, or practical understanding. It can describe remarks, behavior, decisions, plans, or the apparent reasoning behind them, and it is usually more insulting than the milder words foolish or silly. The adjective is often used in deliberately dismissive contexts, such as calling a plan imbecilic or referring to an imbecilic excuse. Because the term can imply intellectual disability rather than merely poor judgment, it should be used carefully and is rarely appropriate in formal or sensitive discussion. Its memorable history lies in its connection with imbecile, which derives from a Latin word associated with weakness or feebleness of mind; imbecilic later developed as an emphatic adjective built on that older noun.
adjectiveExcessively foolish or mentally deficient; displaying a lack of intelligence or sound judgment.
- Excessively foolish or intellectually deficient.
- Characterized by a lack of intelligence, sound judgment, or practical understanding.
"His imbecilic excuse made the entire class lose patience."
"The proposed solution was rejected as imbecilic by the committee."
"She stared at him with an imbecilic grin before realizing that he had taken her seriously."
Imbecilic is a blunt label for a remark or decision so foolish that it leaves no room for doubt.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does imbecilic come from?
Imbecilic was formed in English with the suffix -ic from imbecile. The word imbecile ultimately comes from Latin imbecillis, meaning weak, feeble, or mentally deficient. In English, the noun was historically used for a person regarded as intellectually deficient before the adjective imbecilic developed as a more emphatic and commonly pejorative description of foolish behavior or speech.
Related word forms
How imbecilic is actually used
Strongly pejorative and usually informal to mildly formal in tone. It is more commonly applied to actions, remarks, or behavior than to people, and may be considered insulting.
Easily confused with imbecilic
An imbecile is usually a person considered intellectually deficient, whereas imbecilic describes behavior, speech, or reasoning that is foolish or intellectually weak.