Is “Least” a Scrabble word?
Yes
LEAST
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 Least
/list/
noun
1.Something of the smallest possible extent; an indivisible unit.
adverb
1.Used for forming superlatives of adjectives, especially those that do not form the superlative by adding -est.
“It was the least surprising thing.”
2.In the smallest or lowest degree; in a degree below all others.
“They travel the least of all.”