1. the quality or state of being hippie; adherence to hippie values, lifestyle, or culture
Usage: informal; often used to describe the characteristics or spirit of the 1960s counterculture movement

Examples

• The festival celebrated the hippieness of the 1960s with tie-dye clothing and folk music.
• Her apartment reflected a certain hippieness with its peace signs and vintage posters.
• The band's hippieness came through in their lyrics about love and social change.
• He embraced hippieness by growing his hair long and rejecting mainstream society.
• The documentary explored the hippieness that defined an entire generation.