1. With fatal consequences or implications
   "he was fatally ill equipped for the climb"
   - lethally

See also: fatal

• jiffy
• jig
• jigaboo
• jigger
• jiggered
• jiggermast
• jiggery-pokery
• jiggle
• jigsaw
• jigsaw puzzle
• jihad
• jihadi
• Jihadist
• jill
• jillaroo
• jilleroo
• jillion
• jilt
• jilted
• Jim Bowie
• Jim Corbett
• jim crow
• Jim Henson
• Jim Morrison
• Jim Thorpe