lusterless is a valid English word

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

Meanings

Adjective (COMPARABLE)

Without luster, dull, not shiny, flat or matte finished.
• Synonyms: lackluster
Without brilliance, unremarkable.

lusterless is a Scrabble valid word

l1u1s1t1e1r1l1e1s1s1

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

lusterless is an iScramble, QuickWords valid word

l1u2s3t4e5r6l7e8s9s10

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

Same letters words (Anagrams)

• LUSTRELESS
• RESULTLESS

Same letters plus one

• CLUSTERLESS
• RUSSELLITES

Same letters minus one

• RULESLESS
• STREUSELS
• SUTLERESS
• TRUSSELLS