unshakable is a valid English word

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

Meanings

Adjective (COMPARABLE)

Not able to be shaken; firm, solid
• Antonym: shakable
resolute, unfaltering, unwavering
(figuratively) Having no errors or loopholes; unassailable

unshakable is a Scrabble valid word

unshakable

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

unshakable is an iScramble, QuickWords valid word

unshakable

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

Same letters words (Anagrams)

• none

Same letters plus one

• UNSHAKEABLE
• UNSHAKEABLY

Same letters minus one

• UNASKABLE