1. In a doubtful manner
   "Gerald shook his head doubtfully"
   - dubiously

See also: doubtful

• blunted
• bluntly
• bluntness
• blur
• blurb
• blurred
• blurrily
• blurriness
• blurry
• blurt
• blurt out
• blush
• blush wine
• blusher
• blushful
• blushing
• blushing mushroom
• blushingly
• bluster
• blusterer
• blustering
• blusterous
• blustery
• Blériot
• bm