Translation guide
The English phrase 'brute force' can refer to a method of solving a problem by trying all possibilities (computing), or to physical strength used aggressively. This guide covers both meanings, with Japanese equivalents ranging from technical terms to everyday expressions.
To describe a problem-solving approach that relies on exhaustive search or trial and error rather than clever algorithms.
Literally 'all-out attack', this is the standard term for brute-force methods in computing, such as trying all combinations or passwords.
To describe an action done with great physical force, often without subtlety or skill.
Both mean 'brute force' in computing. 総当たり is the native Japanese term and more common in general tech contexts. ブルートフォース is a direct loanword and often used in specific phrases like ブルートフォース攻撃 (brute-force attack).
この暗号は総当たりで解けます。
This code can be cracked by brute force.
ブルートフォース攻撃を防ぐには、パスワードを複雑にすることです。
To prevent brute-force attacks, make your passwords complex.
Do not translate 'brute force' literally as 野蛮な力 (savage strength) or 乱暴な力 (violent force) unless you specifically mean uncivilized or violent behavior. For most contexts, 力任せ or 総当たり are appropriate.
パスワードを総当たりで解読する。
Crack the password by brute force.
The English loanword, used in technical contexts, especially in IT and cybersecurity.
ブルートフォース攻撃への対策が必要だ。
We need countermeasures against brute-force attacks.
Literally 'relying on strength', this can be used metaphorically for a brute-force approach in non-physical contexts, implying a lack of finesse.
力任せのアルゴリズムでは、大きなデータに対応できない。
A brute-force algorithm can't handle large data sets.
The most common way to express 'brute force' in physical contexts. It implies using all one's strength, sometimes recklessly.
彼は力任せにドアをこじ開けた。
He pried the door open with brute force.
Literally 'to rely on arm strength', this emphasizes physical power over technique.
彼は腕力に任せて相手を押さえつけた。
He pinned his opponent down with brute force.
Means 'violence' or 'physical force'. Use with caution, as it often implies illegal or immoral force.
Often carries a negative connotation of violence, not just strength.
彼らは暴力で問題を解決しようとした。
They tried to solve the problem with brute force.