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invalid JUST WRITTEN FOR YOU

/ɪnˈvæl.ɪd/ · in·val·id
adjective
  1. Not valid; not true, correct, acceptable or appropriate. This invalid contract cannot be legally enforced.
  2. Not strong or effective; weakened or impaired. After the injury, his invalid leg made it difficult to walk.
Did you know? The term 'invalid' has been used in various contexts, including medical and legal fields, to describe something that is not effective or enforceable.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 14, 2026