The antonyms for the word "mis known" are well-known, familiar, renowned, popular, famous, and celebrated. These words refer to people, things, or ideas that are widely recognized or acknowledged. They have gained prominence through exposure, reputation, or talent. Well-known people could be politicians, celebrities, or athletes who have done something noteworthy, achieved great success or fame, or have contributed to society in a meaningful way. Familiar things could be places, landmarks, or objects that people recognize or remember, that brings a sense of comfort and recognition. Renowned, popular, famous, and celebrated things or ideas denote things that have become iconic in society, recognized and honored for their contributions.