(Usually with the) a way of thinking and feeling developed by a group of people, often considered to prevail over individual thoughts and beliefs; a notional collective mind or consciousness shared by a group of people, as expressed in uniformity of thought or behaviour.
Origin
Late 19th century.
Definition of group mind in US English:
group mind
noun
(Usually with the) a way of thinking and feeling developed by a group of people, often considered to prevail over individual thoughts and beliefs; a notional collective mind or consciousness shared by a group of people, as expressed in uniformity of thought or behaviour.