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

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 …

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 …

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.