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

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.

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 …

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

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 …

Clothing designed for wear or use at occasions or events marked by elaborate ceremony or prescribed social observance: The formal attire included tuxedos and full-length gowns.

Formal definition: Following or being in accord with accepted or prescribed forms, conventions, or regulations.