ˈflower ˌpower noun [uncountable] the ideas of young people in the 1960s and 70s who believed that peace and love were the most important things in life
[TahlilGaran] Dictionary of Contemporary English ▲
flower power n.,
slang The supposed power of love and nonviolence as intended to be used by members of the anti-culture to change American society.
The young people were marching for flower power. [TahlilGaran] English Idioms Dictionary ▲