i Register
In some senses, acoustic is marked as humorous. Watch for register when choosing this word.
ADJ.
excellent, favorite, great, impressive, live, reduced, same, special
The live acoustic performance at the coffee shop last night was absolutely incredible.
VERB + ACOUSTIC
called, enjoyed, featured, loves, played, plays, prefers, produces
She plays acoustic guitar every evening in her living room.
ACOUSTIC + NOUN
guitar, material, music, noise, panel, performance, piano, properties
She played a beautiful acoustic guitar at the coffee shop last night.
PREP.
around, on, with
The band decided to record their new album with acoustic guitars instead of electric ones.
ADV.
beautifully
The old guitar still sounded beautifully acoustic even after all those years.