誓います（ちかいます、chikaimasu）
- to swear

The Japanese word 誓います （ちかいます, *chikaimasu*) means "to vow," "to pledge," "to swear," or "to promise." It implies a serious declaration or commitment to do something or to uphold a certain principle. It suggests a solemn agreement, often made publicly or in front of others. This word conveys a sense of strong intention and the speaker's willingness to be held accountable for their words. The action of 誓います usually involves a sense of sincerity and a commitment to fulfill one's words.

⚫︎結婚を誓います。 Translation: I vow to marry you. ⚫︎私は真実を誓います。 Translation: I swear to tell the truth. ⚫︎国民の生命と財産を守ることを誓います。 Translation: I pledge to protect the lives and property of the citizens.

誓います is used in formal situations and when making important declarations. ⚫︎It's common in ceremonies such as weddings, legal proceedings, and oath-taking ceremonies. ⚫︎You can also use it to express strong commitments in personal relationships or to state one's intentions. ⚫︎The polite form, 誓います, is frequently used.

⚫︎The base form of the verb is 誓う （ちかう, *chikau*). ⚫︎The polite form is 誓います. ⚫︎It is typically written in kanji 誓 and hiragana います.

⚫︎約束します （やくそくします, *yakusoku shimasu*) - To promise. (Less formal than 誓います) ⚫︎約束する （やくそくする, *yakusoku suru*) - To promise. (plain form) ⚫︎決意する （けついする, *ketsui suru*) - To resolve, to determine. (Focuses on one's own determination)

⚫︎There isn't a direct antonym. However, actions that go against a vow or promise could be considered the opposite (e.g., breaking a promise).

私は、この会社のために全力を尽くすことを誓います。 ・Translation: I pledge to do my best for this company. ・Explanation: This sentence demonstrates a formal commitment in a professional context.

私は、あなたを一生愛することを誓います。 ・Translation: I vow to love you for the rest of my life. ・Explanation: This sentence is a declaration of enduring love, often used in wedding vows.

The kanji 誓 is composed of 言 (word/speech) and 折 (to break). The original meaning implies "to break one's word is as bad as breaking a promise", hence, the meaning of a solemn vow.