Is “Smoothest” a Scrabble word?
Yes
SMOOTHEST
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 Smoothest
verb
1.To make smooth or even.
2.To make straightforward or easy.
3.To calm or palliate.
“to smooth a person's temper”
adjective
1.Having a texture that lacks friction. Not rough.
2.Without difficulty, problems, or unexpected consequences or incidents.
“We hope for a smooth transition to the new system.”
3.Bland; glib.
Synonyms: even, fluid