blockers

noun
UK /ˈblɒkəz/
US /ˈblɑːkərz/

Things that stop you from doing something.

The big puddle was one of the blockers on our way to school.


OTHER MEANINGS

2. People or things that block a path or entrance.

The blockers at the door kept the crowd from rushing in.

3. In games, players who protect the ball carrier.

The blockers made a safe path for the runner.

4. Medicines that stop certain body signals from working.

The doctor gave her blockers to help her heart stay calm.