'Interrogator' definitions:

Definition of 'interrogator'

From: WordNet
noun
A questioner who is excessively harsh [syn: inquisitor, interrogator]

Definition of 'Interrogator'

From: GCIDE
  • Interrogator \In*ter"ro*ga`tor\, n. [L.: cf. F. interrogateur.] One who asks questions; a questioner. [1913 Webster]

Synonyms of 'interrogator'

From: Moby Thesaurus