English word

Invalid

Definitions

adjective (1)

  1. not valid:
  2. being without foundation or force in fact, truth, or law
  3. logically inconsequent

Synonyms for invalid

Closest evidence-backed alternatives.

  • null
  • void
  • fragile
  • weak
  • weakly
  • sickly
  • dying
  • sick
  • frail
  • ailing
  • feeble
Invalid - Meaning, Synonyms & Antonyms | Lexical Engine