invalid is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective (COMPARABLE)

Not valid; not true, correct, acceptable or appropriate.
• Your argument is invalid because it uses circular reasoning.
Suffering from disability or illness.
Intended for use by an invalid.

Noun (COUNTABLE)

(dated sometimes offensive) Any person with a disability or illness.
(dated sometimes offensive) A person who is confined to home or bed because of illness, disability or injury; one who is too sick or weak to care for themselves.
(archaic) A disabled member of the armed forces; one unfit for active duty due to injury.

Verb

(British transitive) To exempt from (often military) duty because of injury or ill health.
• He was invalided home after the car crash.
(transitive) To make invalid or affect with disease.

invalid is a Scrabble valid word

invalid

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

invalid is an iScramble, QuickWords valid word

invalid

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• ADVILLIN
• DILUVIAN
• INDUVIAL
• INVALIDS
• MALVIDIN
• SILVANID
• VIDALIAN
• VILJANDI
• VINDICAL
• VINDIOLA

Same letters minus one

• ANILID
• AVIDIN
• DANIIL
• DAVLIN
• DIALIN
• DINALI
• DIVALI
• INLAID
• LANIID
• LIVIAN
• VIDIAN