How to say "acoustic" in Japanese

• アコースティックCommon
  na-adjective, nounCovers the acoustic sense for instruments and music, as in acoustic guitar or an acoustic version of a song. This is the word you want for most musical contexts.
• アンプラグド
  no-adjectiveRefers to an unplugged, non-electrified performance. It can suggest acoustic music, but it is chiefly about performing without electric amplification, so it is a less common and narrower choice than アコースティック.

Use 「アコースティック」 for acoustic instruments or music in general; 「アンプラグド」 is really about unplugged, non-electrified performances, and only secondarily means acoustic.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• アコースティックacoustic (instrument, music, etc.)
• アンプラグドunplugged (performance)