1. In an unhappy manner
   "he cheerlessly set out to do the task"
   - mirthlessly

Antonym: cheerfully

• mountain lady's slipper
• mountain laurel
• mountain lily
• mountain lion
• mountain male fern
• mountain man
• mountain maple
• mountain mint
• mountain nyala
• mountain oak
• mountain paca
• mountain parsley fern
• mountain partridge
• mountain pass
• mountain peak
• mountain phlox
• mountain pine
• mountain pride
• mountain quail
• mountain range
• mountain rice
• mountain rimu
• mountain rose
• mountain sandwort
• mountain sheep