Is “Viscous” a Scrabble word?
Yes
VISCOUS
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 Viscous
/ˈvɪs.kəs/
adjective
1.Having a thick, sticky consistency between solid and liquid.
2.Of or pertaining to viscosity.
Synonyms: syrupy, thickflowing, viscid, viscose