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

See also: unprepared

• refectory table
• refer
• referable
• referee
• refereeing
• reference
• reference book
• reference frame
• reference grid
• reference manual
• reference point
• reference system
• reference work
• referenced
• referendum
• referent
• referential
• referer
• referral
• referred pain
• referrer
• refill
• refillable
• refilling
• refinance