flash of insight

Definitions

A sudden, clear understanding of a complex problem or situation.

An instantaneous moment of inspiration or realization.

Examples

After hours of struggling with the complex math problem, she suddenly had a flash of insight that revealed the correct solution.

The scientist experienced a brilliant flash of insight while watching the steam rise from his morning cup of tea.

Synonyms

epiphany eureka moment sudden realization stroke of genius lightbulb moment revelation

Antonyms

brain fog mental block confusion lack of clarity obfuscation