Is “Stickiest” a Scrabble word?
Yes
STICKIEST
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 Stickiest
adjective
1.Able or likely to stick.
“Is this tape sticky enough to stay on that surface?”
2.Potentially difficult to escape from.
“This is a sticky situation. We could be in this for weeks if we're not careful.”
3.Of weather, hot and windless and with high humidity, so that people feel sticky from sweating.
Synonyms: claggy, tenacious, close, muggy, sultry