1. Plural of idiotism; expressions, phrases, or constructions that are peculiar to a language and cannot be understood from the literal meaning of the individual words.
Usage: Often used interchangeably with 'idioms' in modern English, though 'idiotism' is less common and somewhat archaic.; Primarily found in linguistic or historical contexts.

Examples

• The textbook explained various idiotisms in English, such as 'raining cats and dogs.'
• Learning a new language requires understanding its idiotisms, not just individual vocabulary words.
• Linguists study idiotisms to understand how languages develop unique cultural expressions.
• The translator had to account for numerous idiotisms when converting the novel from French to English.