Imbecilic and Unknowledgeable

Imbecilic adjective - Having a mental age of three to seven years.

Unknowledgeable and imbecilic are semantically related In some cases you can use "Unknowledgeable" instead an adjective "Imbecilic".

Unknowledgeable adjective - Unaware because of a lack of relevant information or knowledge.

Imbecilic and unknowledgeable are semantically related in ignorant topic. Sometimes you can use "Imbecilic" instead an adjective "Unknowledgeable", if it concerns topics such as unaware.