An admirer or lover of the fine arts; popularly, an amateur; especially, one who follows an art or a branch of knowledge, desultorily, or for amusement only.

a lover of the fine arts, an amateur. Used mostly in a derogatory way, as opposed to the true "amateur".

an amateur who engages in an activity without serious intentions and who pretends to have knowledge

showing frivolous or superficial interest; amateurish; "his dilettantish efforts at painting"

a dabbler, someone with superficial knowledge, or who embraces the trappings of a discipline more than the essence

A dabbler in an art or a field of knowledge; an amateur