formal language

Structured communication style

Formal language is language that follows established conventions of grammar, vocabulary, and style appropriate for professional, academic, or official contexts.

It avoids contractions, slang, and colloquialisms in favor of precise, often elevated diction.

The contract was written in formal language to ensure legal clarity.

In mathematics and computer science, a formal language is a precisely defined set of strings or expressions governed by strict syntactic rules, used in programming languages and logic systems.

Related

Chomsky hierarchy · definition · formalism · regular expression · structure · logic · linguistics · programming languages · precision · notation · theorem · compiler · rigorous · Chomsky · proof · axiom · computation · recursive

Categories
Opposites
register and social context

formal languageinformal language

Casual, everyday speech patterns

colloquial language · casual speech · slang · vernacular · everyday speech

linguistic structure and rules

formal languagebroken English

Imperfect foreign language use

pidgin · dialect · patois · creole · argot

technical/specialized usage

formal languagenatural language

Human communication, not programming

informal language · everyday language

Family

language, formal, informal, formally, formalize, informally, informality, formalized, formalizing

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Used worldwide · Timeless · Abstract · Rated G