Definitions of colloquial

1. Colloquially.

2. characteristic of informal spoken language or conversation; " wrote her letters in a colloquial style"; " the broken syntax and casual enunciation of conversational English"

3. Used in ordinary conversation; belonging to everyday speech; informal.

4. Pertaining to or used in common conversation.

5. Pertaining to conversation; used in conversation, but not in literary or oratorical style.

6. Relating to or used in common conversation.

7. Pert. to ordinary conversation.