1. Not in tune, having a different musical pitch

Encyclopedia: Out of tune

• big bedbug
• Big Ben
• Big Bend
• Big Bend National Park
• Big Bill Haywood
• Big Bill Tilden
• Big Blue
• big board
• Big Brother
• big brown bat
• big bucks
• big business
• big businessman
• big cat
• big cheese
• big deal
• big dipper
• Big Easy
• big enchilada
• big fish
• big game
• big girl's blouse
• big gun
• big H
• big hand