Question

Which of the following is a type of familiar speech appropriate for informal or casual settings?

colloquial
idiomatic
slang
jargon

Answer 1

Slang. This is because slang consists of words that are commonly used between friends, family members, and so forth, but aren't exactly official words.

Answer 2

colloquial

Step-by-step explanation:

Colloquial language is different from slang and jargon. It is the form of language which is spoken in casual communication. Colloquialism refers to the language which is used primarily in the everyday setting. It is used in informal terms and casual meetings. It is understandable to a large part of society. In literature, the usage of colloquial language adds authenticity in the language.