The meaning of INFORMAL is marked by the absence of formality or ceremony. How to use informal in a sentence.

INFORMAL definition: without formality or ceremony; casual. See examples of informal used in a sentence.

INFORMAL definition: 1. not formal or official: 2. (of clothing, behaviour, speech) suitable when you are with friends…. Learn more.

Dec 14, 2025 · informal (Jawi spelling اينفورمل, comparative lebih informal, superlative paling informal) Not formal; informal.

Definition of informal adjective from the Oxford Advanced Learner's Dictionary. relaxed and friendly; not following strict rules of how to behave or do something. Discussions are held on an informal basis …

1. without formality or ceremony; casual: an informal visit. 2. not according to the prescribed, official, or customary way or manner; irregular; unofficial: informal proceedings. 3. suitable to or characteristic …

Informal speech or behaviour is relaxed and friendly rather than serious, very correct, or official. She is refreshingly informal. His friend was less good-looking, but a lot more informal and relaxed.

Informal Terms, Linguistics suitable to or characteristic of casual and familiar, but educated, speech or writing. Grammar characterizing the second singular pronominal or verbal form, or its use, in certain …

Did you know that the word "informal" comes from the Latin word "informalis," meaning "not in form"? It has been used in English since the 19th century to describe relaxed or casual situations.

If something’s informal, it’s casual and relaxed and doesn’t follow any particular rules or conventions, whether that's a style of writing, or the dress code for your dinner party.