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

See also: fatal

• testify
• testily
• testimonial
• testimonial immunity
• testimony
• testiness
• testing
• testing ground
• testing room
• testis
• testosterone
• Testudinata
• Testudines
• Testudinidae
• testudo
• Testudo graeca
• testy
• Tet
• tetanic
• tetanilla
• tetanise
• tetanize
• tetanus
• tetanus antitoxin
• tetanus immune globulin