Is “Slimmer” a Scrabble word?
Yes
SLIMMER
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 Slimmer
adjective
1.Slender, thin.
2.(of something abstract like a chance or margin) Very small, tiny.
“I'm afraid your chances are quite slim.”
3.(rural) Bad, of questionable quality; not strongly built, flimsy.
“A slimly-shod lad;”
Synonyms: cunning, frood, fine, stalky, sticklike, thin
noun
1.A person who is trying to become slim by dieting.