Words · Common
invalid
/ˈɪnvələd/ · 7 letters · 6 distinct letters
- noun
someone who is incapacitated by a chronic illness or injury
- verb
force to retire, remove from active duty, as of firemen
- verb
injure permanently
He was disabled in a car accident
- adjective
having no cogency or legal force
invalid reasoning
- adjective
no longer valid
the license is invalid