unprepared

1. Without preparation;
   Not prepared for (synset 301851084)
   "unprepared remarks"; "the shock was unprepared"; "our treaty makers approached their immensely difficult problems unprepared"
   also: unready - not prepared or in a state of readiness; slow to understand or respond
   similar to:

   • ad-lib, extemporaneous, extemporary, extempore, impromptu, off-the-cuff, offhand, offhanded, unrehearsed - with little or no preparation or forethought
   • spur-of-the-moment - in response to an unforeseen need

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