Is “Unlikeliest” a Scrabble word?
Yes
UNLIKELIEST
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 Unlikeliest
adjective
1.Not likely; improbable; not to be reasonably expected.
“It's very unlikely that you'll be able to walk perfectly after being in a cast for six months.”
2.Not holding out a prospect of success; likely to fail; unpromising.
“unlikely means”