slackful is a valid English word

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

Meanings

Adjective (COMPARABLE)

Full of laxity; characterised by laxness; relaxed; (by extension) unmotivated, lazy.

slackful is not a Scrabble valid word

s1l1a1c3k5f4u1l1

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

slackful is not an iScramble, QuickWords valid word

s1l2a3c4k5f6u7l8

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

Same letters words (Anagrams)

• none

Same letters plus one

• FUCKBALLS
• FULLBACKS

Same letters minus one

• CASKFUL
• SACKFUL