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.

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 …

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 …

Aug 21, 2025 · informal (Jawi spelling اينفورمل, comparative lebih informal, superlative paling informal) Not formal; informal.

not formal or ceremonious; casual. The informal manner in which she spoke to the boss annoyed some of her co-workers. Try not to be too informal with the job interviewer because it might not …

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 …

There are ten meanings listed in OED's entry for the adjective informal, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

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.