1. Not having a musical sound or pleasing tune
   - tuneless, untuneful 
2. Lacking melody
   - unmelodic, unmusical

See also: unmelodiously

Antonym: melodious

• yellow-eyed grass family
• yellow-fever mosquito
• yellow-gray
• yellow-green algae
• yellow-grey
• yellow-leaf sickle pine
• yellow-marked
• yellow-orange
• yellow-shafted flicker
• yellow-spotted
• yellow-striped
• yellow-throated marten
• yellow-tinged
• yellow-tipped
• yellow-white
• yellowbelly marmot
• yellowbird
• yellowcake
• yellowed
• yellowfin
• yellowfin croaker
• yellowfin mojarra
• yellowfin tuna
• yellowhammer
• yellowish