nyctophobia.

An intense fear of darkness or nighttime conditions.

Use it for

Words that belong together

• nyctophobia at night
• nyctophobia and avoidance
• describe nyctophobia

On the page

She used nyctophobia to name the fear that intensified after dark.

The clinician asked how the nyctophobia affected his sleep.

He distinguished his nyctophobia from dislike of the room itself.

Usage notes

Primary category: fear. Forms: Usually a mass noun. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.