Is “Preachiest” a Scrabble word?
Yes
PREACHIEST
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 Preachiest
adjective
1.Tending toward excessive moralization.
“My old fussbudget aunt had a very preachy manner and would prattle on about the dangers of alcohol and other vices.”
Synonyms: didactic, moralizing, pious, sanctimonious, sermonizing