Harpies dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — Gillian Holloway

To dream yon see harpies, which are infernal creatures, half women and half serpents, or else furies, such as die poets feign them to be, signifies tribulation and pains occasioned by envious persons, and such as seek our ruin, shame, or death, by mischief and treachery.
Source: The Complete Dream Book Author: Gillian Holloway

Interpretation 2 — Katherine Taylor Craig

Tribulation and pain caused by envious persons, malice and treachery (Artemidorus); see Mythology.
Source: The Fabric of Dream Author: Katherine Taylor Craig