錆びます（さびます、sabimasu）
- to rust

The Japanese verb 錆びます, pronounced さびます, means "to rust" or "to become rusty". It describes the process where metal deteriorates due to oxidation, typically caused by exposure to oxygen and moisture. The word focuses on the resulting state of being rusty. 錆びます also implies a change in appearance and integrity of the metal.

⚫︎鉄は雨に濡れると、錆びます。 Translation: Iron rusts when it gets wet in the rain. ⚫︎古い自転車が庭に置いてあり、錆びています。 Translation: An old bicycle is left in the yard, and it's rusty. ⚫︎このナイフは長い間使っていなかったので、錆びてしまった。 Translation: This knife hasn't been used for a long time, so it has rusted.

You use 錆びます when describing the process or the state of metal becoming rusty. It can be used in both formal and informal contexts. It's often used with the particles に (ni) to indicate where the rusting occurs or が (ga) to mark the subject that rusts.

錆びます is typically written as: ⚫︎ Hiragana: さびます ⚫︎ Kanji: 錆びます ⚫︎ The okurigana (suffix hiragana) is always ます when in its polite present form. Other conjugations, like the past tense or potential form, will change the ending, but the base kanji 錆 and reading さびremains the same. For example: 錆びた (sabita - rusted), 錆びない (sabienai - will not rust).

There aren't many direct synonyms for "to rust," as it is a specific process. However, you could use phrases that describe a similar state of deterioration or damage, such as: ⚫︎腐食します (fushoku shimasu) - to corrode ⚫︎劣化します (rettka shimasu) - to deteriorate

There aren't specific antonyms in the direct sense. However, the opposite of something rusting would be maintaining its integrity and not deteriorating.

海辺に置いていた自転車が、塩水で錆びてしまいました。 ・Translation: The bicycle left at the seaside rusted due to the saltwater. ・Explanation: This sentence explains how the bicycle became rusty because of the saltwater. The use of "錆びてしまいました" indicates that the rusting is complete, or the speaker is expressing regret.

この古い刀は、手入れをしないとすぐに錆びてしまうでしょう。 ・Translation: This old sword will rust quickly if it is not taken care of. ・Explanation: This example describes that lack of maintenance causes the sword to rust. It highlights a possible consequence of neglecting something made of metal.

The word 錆び (sabi) originates from the Old Japanese word "sabi," meaning "rust." The verb form 錆びる (sabiru -to rust), is derived from this noun. The kanji 錆, which represents rust, is a phonetic component of the word.