unplugged

adjective

1. Not plugged in.

2. (music) Using acoustic instruments, especially instead of electric ones.

3. Without a plug or bung (of a vessel containing liquid)

4. (slang) Presented in a more low-key and intimate context than usual.

- I enjoyed watching 'Miley Cyrus Unplugged' last night.

verb

1. simple past tense and past participle of unplug