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

Interpretation 1 — Stephen Girard

For a female to dream she is using worsted to either knit or darn stockings, denotes that, if single, she will be shortly married; if married, she will be rendered more blessed with conjugal felicity.
Source: The Mystic Dream Book Author: Stephen Girard

Interpretation 2 — Internet Archive - Anonymous

To wind it, a comfortable income; to knit with it, you will inherit more than you earn.
Source: Mystic Dream Book Author: Internet Archive - Anonymous