Is “Sleek” a Scrabble word?
Yes
SLEEK
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 Sleek
/sliːk/
noun
1.That which makes smooth; varnish.
verb
1.To make smooth or glossy; to polish or cause to be attractive.
adjective
1.Having an even, smooth surface; smooth
“sleek hair”
2.Glossy
3.Not rough or harsh.
Synonyms: civilized, classy, elegant, graceful, refined, frictionless
adverb
1.With ease and dexterity.