1. the quality or state of being hip; awareness of or familiarity with the latest trends, styles, or cultural movements
Usage: informal; often used to describe the aesthetic or attitude associated with counterculture movements, especially of the 1960s

Examples

• The band's hippiness appealed to young audiences who wanted to challenge mainstream culture.
• Her sense of hippiness was evident in her vintage clothing and progressive music taste.
• The café cultivated an air of hippiness with its eclectic décor and folk music performances.
• Critics dismissed the movement as mere hippiness without substance.
• The designer's work captured the hippiness of the era through bold colors and unconventional patterns.