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

See also: unprepared

• crustlike
• crustose
• crustose thallus
• crusty
• crutch
• crux
• Crux Australis
• crux of the matter
• cry
• cry for
• cry out
• cry out for
• cry wolf
• cry-baby tree
• cryaesthesia
• crybaby
• cryesthesia
• crying
• cryo-
• cryoanaesthesia
• cryoanesthesia
• cryobiology
• cryocautery
• cryogen
• cryogenic