Is “Waster” a Scrabble word?
Yes
WASTER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Waster
/ˈweɪstə/
noun
1.Someone or something that wastes; someone who squanders or spends extravagantly.
2.An imperfection in the wick of a candle, causing it to waste.
3.A destroyer.
Synonyms: thief