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

• mountain tent
• Mountain Time
• mountain trail
• mountain viscacha
• mountain watercress
• mountain zebra
• mountaineer
• mountaineering
• mountainous
• mountainside
• mountaintop
• mountebank
• mountebankery
• Hemiascomycetes
• hemic
• hemicellulose
• hemicrania
• hemicycle
• hemidemisemiquaver
• hemiepiphyte
• Hemigalus
• Hemigalus hardwickii
• Hemigrammus
• hemihedral
• Hemimetabola