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

Antonym: cheerfully

• pine grosbeak
• pine hyacinth
• pine knot
• pine leaf aphid
• pine lily
• pine lizard
• pine marten
• pine mouse
• pine nut
• pine sawyer
• pine siskin
• pine snake
• pine spittlebug
• pine tar
• pine tree
• Pine Tree State
• pine vole
• pine-barren sandwort
• pine-tar rag
• pineal
• pineal body
• pineal eye
• pineal gland
• pinealoma
• pineapple