impossible is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

Not possible; not able to be done or happen.
• It is difficult, if not impossible, to memorize 20,000 consecutive numbers.
(colloquial of a person) Very difficult to deal with.
• You never listen to a word I say – you're impossible!
(math dated) imaginary
• impossible quantities, or imaginary numbers

Noun (COUNTABLE)

An impossibility.
A skateboard trick consisting of a backflip performed in midair.

impossible is a Scrabble valid word

impossible

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

impossible is an iScramble, QuickWords valid word

impossible

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

Same letters words (Anagrams)

• none

Same letters plus one

• IMPOSSIBLES

Same letters minus one

• MOBILISES
• OMISSIBLE
• PIMELOSIS