Is “Groupthink” a Scrabble word?
Yes
GROUPTHINK
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 Groupthink
/ˈɡɹuːpθɪŋk/
noun
1.A process of reasoning or decision-making by a group, especially one characterized by uncritical acceptance of or conformity to a perceived majority view.
Synonyms: echo chamber, herdthink