誓って|ちかってchikatte

1. adverbsurely; upon my word; by Jove
2. adverb(with neg) by no means; never

• Synonym必ずかならずNeutralThe most versatile word for 'certainly, without fail'; 「誓って」 adds the strong tone of guaranteeing something by oath.
• SynonymきっとWrittenRare written-style kanji spelling of 「きっと」; conveys certainty tinged with conjecture or resolve, lighter in tone than 「誓って」.
• Synonym断じてだんじてWrittenUsed mostly with negatives to mean 'absolutely not', as in 「断じて許さない」; the tone is hard and unyielding.
• Synonym確かにたしかにNeutralMeans 'indeed, certainly' and marks confirmation of a fact; it carries no sense of swearing an oath.
• Synonym相違なくそういなくWrittenWritten/formal: affirms 'no mistake, exactly as stated', mostly in documents, as in 「上記の通り相違なく」.
• Related確実かくじつNeutralAn adjectival noun meaning 'certain, reliable', as in 「確実に届く」; an objective judgment rather than a personal vow.
• Related断然だんぜんNeutralMeans 'resolutely, flatly', and also 'by far', as in 「断然こちらがいい」; the focus is on decisiveness.
• Related絶対にぜったいにNeutralCommon in speech for 'absolutely, no matter what'; 「誓って」 carries the solemnity of an oath sworn to heaven.
• Related必ずやかならずやWrittenAn emphatic written form of 「必ず」, often paired with conjectural expressions.

Use 「誓って」 when you vouch for something as if swearing an oath, as in 「誓って嘘ではない」. For plain 'certainly' or 'without fail', 「必ず」 and 「絶対に」 are the everyday choices; for an emphatic 'absolutely not', use 「断じて」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 確たしかに、本当ほんとうに。強つよい確信かくしんをもって言い張いいはる様子ようす。
2. 決けっして～ない。絶対ぜったいに～ない。強つよく否定ひていする様子ようす。