coll.

Adjective

colloquial (comparative more colloquial, superlative most colloquial)

1. (colloquial, comparative) Characteristic of familiar conversation, of common parlance; informal.
   • You're using too many colloquial words in this cover letter: I suggest changing "I picked up loads of cool skills" to "I acquired many positive abilities"
2. (colloquial, comparative) Of or pertaining to a conversation; conversational or chatty.

See all 3 meanings of colloquial