Definition of invalid

The word "invalid" has been in use since the early 18th century. Its origin can be traced back to the Latin word "invalideus," meaning "not strong" or "unsound." This word, in turn, derived from the Latin "in" (meaning "not") and "valideus" (meaning "strong," "powerful," or "healthy"). The word "invalid" has traditionally been associated with persons with chronic illnesses, disabilities, or injuries that prevent them from leading a normal and active life. In some contexts, however, the term is used more broadly to include anyone who is not capable of fulfilling certain obligations or requirements due to any reason, such as age, lack of knowledge, or resources. Although the use of the word "invalid" has come under criticism due to its negative connotations and potential stigma, it remains in common use in some contexts, such as in medical or legal documents, for technical or legal reasons. However, there is a growing trend to replace the term with more positive and empowering words, such as "person with a disability" or "person with a health condition." This is part of a broader effort to promote equity, inclusion, and human rights for all, regardless of any disability or health-related challenges they may face.