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

Interpretation 1 — Stearn Robinson - Tom Corbett

If your dream featured tinsel in any form, it is reminding you that all is not gold that glitters, so don’t put too much confidence in smooth-talking new acquaintances, or fast buck deals.
Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett

Interpretation 2 — myjellybean

A dream about tinsel is a reminder that all is not gold that glitters, so don’t put too much confidence in smooth-talking new friends, or quick-money deals.
Source: My Dream Interpretation Author: myjellybean

Interpretation 3 — Margaret Hamilton

Superficial
Source: Dream Dictionary Unlimited Author: Margaret Hamilton