Bible Dictionaries
Idiotism

Webster's Dictionary

(1):

(n.) An idiom; a form, mode of expression, or signification, peculiar to a language.

(2):

(n.) Lack of knowledge or mental capacity; idiocy; foolishness.

Bibliography Information
Webster, Noah. Entry for 'Idiotism'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​i/idiotism.html. 1828.