grumbliest is a valid English word

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

Meanings

Adjective

Superlative form of: grumbly

grumbliest is a Scrabble valid word

g2r1u1m3b3l1i1e1s1t1

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is not valid in Scrabble ✘
• 15 points

grumbliest is not an iScramble, QuickWords valid word

g1r2u3m4b5l6i7e8s9t10

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 55 points

Same letters words (Anagrams)

• none

Same letters plus one

• LIMBURGITES

Same letters minus one

• GRUMBLEST
• GUILBERTS
• RUMBLIEST
• STUMBLIER