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Region: UK | Usage example: We started with some blue-sky thinking before settling on a plan.

Blue-sky thinking

Meaning

Creative or optimistic brainstorming without constraints.

Usage

Used in innovation sessions.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Possibly from the altostratus blue sky representing limitless possibilities.

Used in management consulting in the late 20th century.