Verb
The detective will interrogate the suspect as part of his desire to learn the truth.
No. It is a verb "to interrogate" (to question, often as part of criminal investigations). The noun and noun adjunct is interrogation (e.g. interrogation room, interrogation tactics).
"Answer" or "Reply" Interrogate, you ask questions. The antonym would be to respond.
The detective was ordered to interrogate the suspect.
Interrogate is a verb, not a noun, so it doesn't have a plural.
The officer attempted to interrogate the suspect on his actions.
I'd prefer to have your double interrogate me further.
The detectives will interrogate the suspect in the interrogation room.
The mysterious men interrogate the young man in cafe.
The part of speech for this particular word is a noun.
part of speech
Two detectives helped the young, inexperienced officer to interrogate the suspect.