Key series Synonyms

Definitions for Key


  • (adjective) coming before all others in importance
  • (adjective) of the greatest possible importance
  • (noun) an explanatory list of the symbols on a map or chart

Definitions for Series


  • (noun) similar things placed in order or happening one after another
  • (noun) a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection
  • (noun) (mathematics) the sum of a finite or infinite sequence of expressions