1. (verb) mix up or confuse

• muddle
• puddle

1. (verb) mix up or confuse

• confuse
• jumble
• mix up

2. (verb) become rotten

• go bad
• spoil

1. (verb) mix up or confuse

• clutter
• fuddle
• jumble
• mare's nest
• muddle
• smother
• welter