Is “Happiest” a Scrabble word?
Yes
HAPPIEST
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 Happiest
/ˈhæpiɪst/
adjective
1.Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous.
“Music makes me feel happy.”
2.Experiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky, propitious.
3.Content, satisfied (with or to do something); having no objection (to something).
“Are you happy to pay me back by the end of the week?”
Synonyms: cheerful, content, delighted, elated, exultant, glad