invalid

/ˈɪnvələd/ · 3 syllables

Meaning

noun

1. someone who is incapacitated by a chronic illness or injury

adjective

1. having no cogency or legal force
   “invalid reasoning”
2. no longer valid
   “the license is invalid”

verb

1. force to retire, remove from active duty, as of firemen
2. injure permanently
   “He was disabled in a car accident”

Synonyms for invalid

• shut-in
• bad
• fallacious
• false
• spurious
• invalidated
• null
• sophistic
• expired
• disable
• incapacitate
• handicap

Antonyms of invalid

• valid