1. Taken in advance to protect against possible danger or failure
   - precautionary

See also: preventative, preventive

• Ustilaginaceae
• Ustilaginales
• Ustilaginoidea
• Ustilaginoidea virens
• Ustilago
• Ustilago maydis
• Ustinov
• usual
• usually
• usualness
• usufruct
• usufructuary
• Usuli
• Usumbura
• usurer
• usurious
• usuriously
• usurp
• usurpation
• usurper
• usury
• ut
• UT1
• Uta
• Uta stansburiana