Merriam-Webster's Word of the Day for December 2, 2023 is:

hive mind • \HYVE-mynde\  • noun

Hive mind refers to the collective thoughts, ideas, and opinions of a group of people (such as Internet users) regarded as functioning together as a single mind. In biology, hive mind refers to the collective mental activity expressed in the complex, coordinated behavior of a colony of social insects (such as bees or ants) regarded as comparable to a single mind controlling the behavior of an individual organism.

// She doesn't need to advertise or publicize—her fans’ hive mind is always ready to promote her work.

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Examples:

“It was like coming into this big, welcoming family. The cast were so beautiful and generous. The three directors of this season, we were all new and hadn’t done past seasons. They were wonderful. It was wonderful, too, to be able to tap into the crew. They have this hive mind that they’ve all developed after three seasons together.” — Alyssa McClelland, quoted in The Hollywood Reporter, 27 Sept. 2023

Did you know?

Sometimes a biological term crosses over into everyday language with a similar, but less specific meaning. Take drone, a word for a stingless male bee: it dates back all the way to Old English and is also used today for (among other things) someone tasked with boring, repetitive work. More recently, hive mind has similarly flown beyond the apiary; what was first used to talk about the ways that colonies of social insects, like bees and ants, behave as a coordinated unit has come to be applied also to the collective thoughts, ideas, and opinions of a group of people seeming to function as a single entity. It’s not uncommon nowadays to see someone appeal to the hive mind of a social media website for relationship advice or dining recommendations, for example, or refer to a celebrity’s fanbase (like Queen Bey’s “Beyhive”) acting together to share the latest buzz about their favorite star.