1. Vitally important
   - life-and-death

See also: crucial, important

• signalize
• signaller
• signalling
• hypnogogic
• hypnoid
• hypnology
• hypnopedia
• hypnophobia
• Hypnos
• hypnosis
• hypnotherapy
• hypnotic
• hypnotic trance
• hypnotically
• hypnotisation
• hypnotise
• hypnotised
• hypnotiser
• hypnotism
• hypnotist
• hypnotization
• hypnotize
• hypnotized
• hypnotizer
• hypo