Difference between Meanwhile and Interim

Meanwhile

Part of speech: adverb

Definition: During the time (that something is happening). At the same time, but elsewhere.

Part of speech: noun

Definition: The time between two events

Example sentence: Hesitation is often like procrastination. One may have vague doubts and feel a need to mull things over; meanwhile, other issues intrude on thought, and no decision is taken. Ask people why they procrastinate, and you probably won't get a crisp answer.

Interim

Part of speech: adjective

Definition: transitionaltemporary

Part of speech: noun

Definition: A transitional or temporary period between other events.