Synonyms for Unplugged:

adj.

open (adjective)
patent, open, manifest, exposed, accessible, gaping, disclosed, unsealed, bare, unobstructed, ajar, unimpeded, uncapped, Unclosed, agape, unstopped, revealed, unlocked, yawning, uncovered, unbarred, Admitting, unbolted.

n.

discordant, flat, harmonious, funky, bluesy, harmonic, atonal, bass, acoustic, classical.

v.

opened (verb)
released, unsealed, uncorked, undone, revealed, opened, Undid, disclosed, bared.
tap (verb)
open.

Other synonyms:

Other relevant words:
discordant, flat, harmonious, funky, bluesy, harmonic, atonal, bass, acoustic, classical.