Definitions

1. verb

to hinder or prevent the progress or action of something or someone

“The protesters obstructed the traffic by blocking the main road.”

2. noun

an obstruction or something that hinders or blocks the normal flow or course of something

“The obstruct in the drain caused the sink to overflow.”

3. verb (transitive)

to block or hinder the normal flow or course of something

“The tree branch obstructed the view from the window.”

4. verb (intransitive)

to become or get blocked or hindered

“The river will obstruct as it flows through the rocks.”