1. With discontent; in a discontented manner
   "he was still rumbling discontentedly when Pike returned bearing a folder of foolscap sheets"

See also: discontented

• burnt sienna
• burnt umber
• burnt-out
• burnup
• burp
• burp gun
• burping
• burqa
• burr
• burr drill
• burr marigold
• burr oak
• burr-headed
• burrawong
• burred
• burrfish
• Burrhus Frederic Skinner
• Burrill Bernard Crohn
• burrito
• burrlike
• burro
• burro deer
• Burroughs
• burrow
• burrower