Colloquialism (noun)

An expression that is used in informal spoken language but is not considered appropriate for formal writing or speech.

Origin:

The word "colloquialism" comes from the latin "colloquium" meaning "conversation".

Examples:

1. The use of colloquialism in the speech made it more relatable to the audience.
2. The author used a lot of colloquialism in the novel to give it a more authentic feel.
3. The teacher warned students against using colloquialism in their essays.
4. The use of colloquialism can make the text less formal and more approachable.
5. Colloquialism can be confusing for non-native speakers as it may not be familiar to them.