adj, verb, slang ·1 syllable ·Moderate ·College level

Definitions

Verb

1. 1
   simple past and past participle of spook form-of, participle, past

Adjective

1. 1
   A little scared; worried by a feeling or event. Describing the unsettling feeling there being another unknown ghostly presence.
2. 2
   Being spied upon by security or intelligence services.
3. 3
   Taken off guard; astonished; surprised. informal
4. 4
   Duped into believing a spook.

Synonyms

All synonyms

afraidhauntedobsessedpossessedscaredspooky

Example

More examples

"Ancient alien ruins in faraway outposts of the Human Space Sphere spooked many generations."

Related phrases

off guard

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.