The meaning of FORMAL is following or according with established form, custom, or rule. How to use formal in a sentence. Synonym Discussion of Formal.

Formal language is the language used esp. in writing in situations that are official and which is often more difficult than the language used in ordinary conversation.

Definition of formal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. of, according to, or following established or prescribed forms, conventions, etc: a formal document. 2. characterized by observation of conventional forms of ceremony, behaviour, dress, etc: a formal …

Formal speech or behaviour is very correct and serious rather than relaxed and friendly, and is used especially in official situations. He wrote a very formal letter of apology to Douglas. Business …

FORMAL definition: being in accordance with the usual requirements, customs, etc.; conventional. See examples of formal used in a sentence.