Dime dream meaning is explained below using 3 different sources. Each interpretation is shown with its source.

Interpretation 1 — myjellybean

To dream of dimes is a fortunate omen of unexpected gain. This dream may also contain reflections of your self-image or self-knowledge - consider the other signs in the dream.
Source: My Dream Interpretation Author: myjellybean

Interpretation 2 — Margaret Hamilton

A small sum of money, not a dime; a tenth part is a tithe of one dollar; see “tithe”
Source: Dream Dictionary Unlimited Author: Margaret Hamilton

Interpretation 3 — Stearn Robinson - Tom Corbett

See Coins.
Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett