Abroromantic people experience their romantic orientation as fluid and/or changing over time. Although other kinds of fluidity may involve changes in the genders one is attracted to, abroromanticism involves someone's entire orientation changing over time. The intensity of their attractions may change as well.
The prefix "abro-" comes from the Greek habrós, meaning "graceful" or "delicate". This symbolises the movement and changing nature of people who are abroromantic.