slumbering is a valid English word

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

Meanings

Verb

present participle and gerund of slumber

Adjective

Temporarily inactive.
• The slumbering giant that was China has finally awoken.

Noun (COUNTABLE)

sleep

slumbering is a Scrabble valid word

slumbering

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

slumbering is an iScramble, QuickWords valid word

slumbering

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

Same letters words (Anagrams)

• LUMBERINGS

Same letters plus one

• BURLINGAMES
• MUILENBURGS
• RESUBLIMING
• SLUMBERINGS
• SUBGERMINAL

Same letters minus one

• EMBURSING
• LUMBERING
• RUMBLINGS
• SLUMBRING
• UNLIMBERS