'genderfluid' originates from the combination of 'gender' and 'fluid,' where 'gender' refers to the social and cultural roles, behaviors, and attributes that a society considers appropriate for men and women, and 'fluid' implies a state of change or movement.

'genderfluid' emerged in the late 20th century as part of the broader LGBTQ+ movement, reflecting a growing recognition of diverse gender identities beyond the traditional binary.

Initially, it meant a flexible approach to gender identity, and this meaning has largely remained the same in modern usage.