1. In response to an unforeseen need
   "a spur-of-the-moment party"

See also: unprepared

• oxidisation
• oxidise
• oxidised
• oxidised LDL cholesterol
• oxidiser
• oxidising agent
• oxidizable
• oxidization
• oxidize
• oxidized
• oxidized LDL cholesterol
• oxidizer
• oxidizing agent
• oxidoreductase
• oxidoreduction
• oxime
• oximeter
• oxlip
• Oxonian
• oxtail
• oxtail soup
• oxtant
• oxter
• oxtongue
• oxyacetylene