Translation guide
A person or thing that blocks or obstructs something. In Japanese, the translation depends heavily on what is being blocked—physical passage, progress, a view, a signal, or an action.
Something or someone physically in the way, preventing passage or access.
General term for a physical obstacle or obstruction. Neutral and widely used.
道路に障害物があった。
There was a blocker on the road.
A person who is in the way or a nuisance. Can be used for someone blocking progress or being an obstruction.
Literally 'blockage' or 'plug'. Used for something that physically blocks a hole or passage.
排水管の塞ぎを取り除く。
Remove the blocker from the drain pipe.
A person who actively prevents someone from achieving something, often in a competitive or collaborative context.
An object or substance that prevents seeing or receiving signals.
Something that intercepts or cuts off, like a view or signal. Often used in technical contexts.
A program or feature that prevents certain content from being displayed or accessed.
A player whose role is to block the opponent's moves.
Calling someone a 'blocker' in Japanese using a direct translation like ブロッカー can sound unnatural unless in a sports context. Use 邪魔者 or 妨害者 depending on the nuance.
彼は会議でいつも邪魔者だ。
He's always a blocker in meetings.
Loanword from English, commonly used in sports (e.g., volleyball, American football) and sometimes in business contexts.
彼は優秀なブロッカーだ。
He is an excellent blocker.
A person who obstructs or interferes, often with a negative connotation. Used in formal or serious contexts.
彼はプロジェクトの妨害者と見なされた。
He was seen as a blocker of the project.
Same as above; can be used for a person who gets in the way of plans or progress.
彼女は私の計画の邪魔者だ。
She is a blocker to my plans.
That building is a blocker of radio waves.
Something that blocks the view, like a screen or blindfold. More about visual obstruction.
塀が隣家からの目隠しになっている。
The fence acts as a blocker from the neighbor's view.
Specifically an ad blocker. Very common term.
広告ブロッカーをインストールした。
I installed an ad blocker.
Short for ad blocker or content blocker in context.
このサイトはブロッカーを検出します。
This site detects blockers.
General term for content blocker, used in browsers or apps.
コンテンツブロッカーを有効にする。
Enable the content blocker.
Standard term in sports like volleyball and American football.
バレーボールでブロッカーが活躍した。
The blocker played well in volleyball.