Definition & Meaning of "colloquialism"in English

What is "colloquialism"?

Colloquialism refers to informal language or expressions that are used in everyday conversation rather than in formal speech or writing. These terms or phrases can vary by region or community and often reflect the local culture and social norms. For example, saying "gonna" instead of "going to," or using the word "y'all" to refer to a group of people are examples of colloquialisms. Colloquial language helps create a casual tone and can make communication feel more relatable and approachable.