Flash dream meaning is explained below using 6 different sources. Each interpretation is shown with its source.

Interpretation 1 — Zolar

lucky numbers: 14-17-27-36-39-46

buying a flashlight: are being watched by one with evil intent; your light is within.

using: a secret wil be solved; look closely.

of light of a: cash in on your creativity; the light wil awaken it.

torch or searchlight, from a: news from unknown part of yourself causes success.

Source: Zolar’s Book of Dreams Numbers and Lucky Days • Author: Zolar

Interpretation 2 — Versatile - Anonymous

The lightning flash is a function within jewish kabbalist belief when something to be manifested is drawn very quickly through the sephiroth (spheres of existence) to become real in the physical world. As we become more aware of spiritual matters this symbol becomes part of our vocabulary.
Source: Dream Meanings of Versatile • Author: Versatile - Anonymous

Interpretation 3 — Versatile - Anonymous

Psychological / emotional perspective: A flash in dreams signifies a build up of energy, which may be emotional, warning us that such energy, while potentially destructive, can be used positively.
Source: Dream Meanings of Versatile • Author: Versatile - Anonymous

Interpretation 4 — Versatile - Anonymous

Material aspects: Concentrated light is significant on the mundane level as a flash of inspiration in a particular project or a moment of clarity when circumstances are particularly obscure.
Source: Dream Meanings of Versatile • Author: Versatile - Anonymous

Interpretation 5 — Stearn Robinson - Tom Corbett

Whatever the source, a sudden flash of light in your dream is a forerunner of a momentous change in your life due to the success of an invention or creative idea.
Source: The Complete Guide to Interpreting Your Dreams • Author: Stearn Robinson - Tom Corbett

Interpretation 6 — Internet Archive - Anonymous

To dream of a Flash of light, whether from a searchlight or torch is a sign of important news that will cause your plans to succeed.
Source: Mystic Dream Book • Author: Internet Archive - Anonymous