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

Antonym: cheerfully

• herediatry spinal ataxia
• hereditable
• hereditament
• hereditarian
• hereditarianism
• hereditarily
• hereditary
• hereditary cerebellar ataxia
• hereditary condition
• hereditary disease
• hereditary motor and sensory neuropathy
• hereditary pattern
• heredity
• Hereford
• herein
• hereinafter
• hereinbefore
• hereness
• hereof
• hereon
• Herero
• heresiarch
• heresy
• heretic
• heretical