blocker
Translation
blocker, obstruction, inhibitor
Examples
He installed an ad blocker on his browser.
He installed an ad blocker on his browser.
Fear is a major blocker to success.
Fear is a major blocker to success.
The football player is a great blocker.
The football player is a great blocker.
Grammar Patterns
((a/an)) blocker a person or thing that blocks something He installed an ad blocker.
Similar Words
inhibitor, obstruction, obstacle
Etymology
From the verb 'to block' plus the agent noun suffix '-er', meaning 'a person or thing that blocks'.
Memory Tips
The '-er' suffix often means 'a person or thing that does something' (e.g., player, teacher). A 'blocker' is something that 'blocks'.