Impromptu seal Synonyms

Definitions for Impromptu


  • (adjective) made or done without previous thought or preparation
  • (noun) something that is performed, made, or done without preparation
  • (adjective) with little or no preparation or forethought

IS abbreviation

IS is an abbreviation for Impromptu Seal
What does IS stand for?
IS stands for "Impromptu Seal"

Definitions for Seal


  • (noun) fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
  • (noun) fastener that provides a tight and perfect closure
  • (noun) a finishing coat applied to exclude moisture