Definition, Meaning & Synonyms

invalid

noun
/ˈɪn.və.lɪd/
Definition
A person who is long-term sick or disabled.
Examples
  • The new policy was deemed invalid due to a lack of proper documentation.
  • She feels like an invalid after her surgery.
  • The contract was declared invalid by the judge.
Meaning
In a general context, ‘invalid’ refers to something that is not valid or is without force or foundation. It can also refer to a person who is incapacitated due to illness or disability.
Synonyms
  • disabled
  • unwell
  • invalidated