1. In a serious manner
   "the speech was weighty and it was weightily delivered" 
2. As something very heavy
   "she moved weightily"

See also: weighty

• speech therapy
• speech-endowed
• speech-read
• speechifier
• speechify
• speechless
• speechlessly
• speechlessness
• speechmaker
• speechmaking
• speechwriter
• speed
• speed bump
• speed camera
• speed cop
• speed dating
• speed demon
• speed freak
• speed hump
• speed indicator
• speed limit
• speed of light
• speed skate
• speed skating
• speed trap