obstructionist

/AH0 B S T R AH1 K SH AH0 N AH0 S T/
noun
  1. 1

    Someone who attempts to impede the progress of legislation.

  2. 2

    Someone who systematically obstructs the actions of others.

adjective
  1. 1

    Pertaining to obstructionism.

  2. 2

    Obstructionistic.