Final answer:
The best definition for informal language is language best used to communicate more personal, subjective content with an audience you know fairly well.
Step-by-step explanation:
The best definition for the term informal language is OA. Language best used to communicate more personal, subjective content with an audience you know fairly well. Informal language is characterized by a relaxed and casual style, often including colloquialisms, contractions, and informal vocabulary. It is commonly used in conversations, social media, emails to friends, and other informal settings.
Learn more about Informal language