Is “Boast” a Scrabble word?
Yes
BOAST
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 Boast
/bəʊst/
noun
1.A brag; ostentatious positive appraisal of oneself.
2.Something that one brags about.
“It was his regular boast that he could eat two full English breakfasts in one sitting.”
3.A shot where the ball is driven off a side wall and then strikes the front wall.
verb
1.To brag; to talk loudly in praise of oneself.
2.To speak of with pride, vanity, or exultation, with a view to self-commendation; to extol.
3.To speak in exulting language of another; to glory; to exult.
Synonyms: brag