Obstructive

1. (a.) Tending to obstruct; presenting obstacles; hindering; causing impediment.

2. (n.) An obstructive person or thing.

Thesaurus Entries

choking, complaining, constrictive, contrary, counterproductive, crosswise, disputatious, disputing, dissentient, dissenting, fractious, hindering, hindersome, in the way, inhibiting, inhibitive, interrupting, interruptive, noncooperative, objecting, obstructing, obstruent, occlusive, on the barricades, proof against, protesting, rebellious, recalcitrant, refractory, reluctant, renitent, repellent, repressive, resistant, resisting, resistive, restrictive, retardant, retardative, stifling, strangling, suppressive, troublesome, uncooperative, unsubmissive, unyielding, up in arms, withstanding