Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
THESAURUS
ROGET THESAURUS

WORDNET DICTIONARY

Noun obstructionist has 1 sense

• obstructionist(n = noun.person) obstructer, obstructor, resister, thwarter - someone who systematically obstructs some action that others want to take; Array
is a kind of controversialist, disputant, eristic
has particulars: naysayer, stonewaller
Derived form noun obstructionism₁

CIDE DICTIONARY

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.

For further exploring for "obstructionist" in Webster Dictionary Online