obstructionist

• POS: Noun
• HYPHEN: ob=struc=tion=ist

CIDE DICTIONARY

obstructionist, n. 

 One who deliberately hinders progress; one who obstructs business, as in a legislative body.  [1913 Webster]

THESAURUS

obstructionist

bitter-ender, brawler, defendant, diehard, disputant, dissentient, dissident, filibuster, filibusterer, frustrater, hinderer, impeder, intransigent, irreconcilable, last-ditcher, litigant, marplot, naysayer, negativist, noncooperator, objector, obstructer, obstructive, opposer, oppositionist, plaintiff, protester, quarreler, resister, scrapper, thwarter, wrangler

ROGET THESAURUS

obstructionist

Opponent

N opponent, antagonist, adversary, adverse party, opposition, enemy, the other side, assailant, oppositionist, obstructive, brawler, wrangler, brangler, disputant, filibuster, obstructionist, malcontent, Jacobin, Fenian, demagogue, reactionist, rival, competitor, bete noir.