uncool is a valid English word

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

Meanings

Adjective (COMPARABLE)

(slang) Not in accord with the current fashion, standards or mores of a particular group; not cool.
• Synonym: boring, dull, lame, pathetic, pitiful, sad, tacky, weak

uncool is a Scrabble valid word

u1n1c3o1o1l1

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

uncool is an iScramble, QuickWords valid word

u1n2c3o4o5l6

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

Same letters words (Anagrams)

• COULON

Same letters plus one

• COLONUS
• COOLUNG
• COULONS
• COULSON
• COULTON
• CUNSOLO
• UNCOLOR

Same letters minus one

• CLUON
• COLON
• LOCON
• LONCO