obstructive

Anything that's obstructive gets in the way or blocks the flow of something. If you have an obstructive object stuck in your kitchen sink drain, you might have to call a plumber to get the water flowing again.

Parking your car in an obstructive way in a parking lot will make it impossible for anyone else to get in or out. And if something's obstructive in your digestive system, it can cause serious problems. A person can act in an obstructive way too, by making processes difficult: "Your obstructive actions meant the city council couldn't even vote on whether or not to open a new zoo." The Latin root is obstruere, "block, stop, or hinder."

Definitions of obstructive
1

adj preventing movement

Synonyms:
clogging, hindering, impeding
preventative, preventive
tending to prevent or hinder

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.