Obstructive \Ob*struct"ive\, a. [Cf.F. obstrictif.]

Tending to obstruct; presenting obstacles; hindering; causing impediment. -- Ob*struct"ive*ly, adv.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Obstructive \Ob*struct"ive\, n. An obstructive person or thing.

Source: Webster's Revised Unabridged Dictionary (1913)