interlocutor
Interlocutor (noun) means a person who takes part in a conversation or dialogue with someone else. Example: “The interviewer proved a thoughtful interlocutor throughout the debate.”
How to use interlocutor
Learner’s notesIn plain EnglishAn interlocutor is simply the person you are talking with.
This is a formal word, more likely to appear in academic or diplomatic writing than in casual talk.
If a plainer word fits, such as 'speaker' or 'the other person', it will usually sound more natural in everyday English.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The interviewer proved a thoughtful _____ throughout the debate.
Etymology
Interlocutor was borrowed from Medieval Latin interlocutor, an agent noun built from the Latin verb interloquor, meaning to speak between others. That verb combines a prefix meaning 'between' with the verb for 'to speak'.