1. being in accord with established forms and conventions and requirements (as e.g. of formal dress)
- pay one's formal respects
- formal dress
- a formal ball
2. characteristic of or befitting a person in authority
- formal duties
Similar word(s): official
3. (of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms
- the paper was written in formal English
4. represented in simplified or symbolic form
5. logically deductive
- formal proof
Similar word(s): logical
6. refined or imposing in manner or appearance; befitting a royal court
Sentences with formal as an adjective:
- She spoke formal English, without any dialect.
- I'd like to make a formal complaint.
- Formal linguistics ignores the vocabulary of languages and focuses solely on their grammar.
- The formal stage is a critical part of any child's development.
- Formal wear must be worn at my wedding!
- When they became a formal club the rowers built a small boathouse.
- Formal series are defined without any reference to convergence.