Define information. information synonyms, information pronunciation, information translation, English dictionary definition of information. n. 1. Knowledge or facts learned, especially about a certain subject or event. See Synonyms at knowledge. 2. The act of informing or the condition of being. INFORMATION definition: 1. facts about a situation, person, event, etc.: 2. facts about a situation, person, event, etc…. Learn more. The phrase for your information is sometimes used informally in speech when responding to an annoying statement or question by someone who has accused or blamed you wrongly. Information is an abstract concept that refers to something which has the power to inform. At the most fundamental level, it pertains to the interpretation (perhaps formally) of that which may be sensed, or their abstractions. Information is knowledge about a particular subject, issue, event or process. Information can be obtained from various sources: you can be told information, for example through a lecture or a television program, or you can find information through your own research. Definition of information noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of INFORMATION is knowledge gained from investigation, study, or instruction. How to use information in a sentence.