1. A form of depression caused by the lack of natural light during the winter months
   - SAD

Encyclopedia: Seasonal affective disorder

• half cross stitch
• half crown
• half dollar
• half door
• half eagle
• half gainer
• half hatchet
• half hitch
• half mask
• half mile
• half nelson
• half note
• half page
• half pound
• half rest
• half sister
• half snipe
• half sole
• half step
• half title
• half track
• half volley
• half-and-half
• half-and-half dressing
• half-arsed