決して
けっして (kesshite)In no way; absolutely not; by no means (used to emphasize strong negation).
これは決して簡単な問題ではありません。
This is by no means an easy problem.
決して嘘はついていません。
I am absolutely not lying.
Often used in formal contexts, such as contracts, promises, or serious statements. Can be paired with negative verb forms (e.g., ません, ない).
💡Pro Tip
Emphasizing Negation
決して is stronger than 絶対に (~definitely) and implies an unbreakable resolve or impossibility. Use it when you want to sound resolute or when the negation is absolute.
⚡Gold Rule
Positioning
決して must come directly before the verb or adjective it negates. Incorrect: 決して彼は来ない (he will never come). Correct: 決して来ない。
📖Word Origin
Composed of 決 (けつ, 'to decide') and して (from する, 'to do'), originally meaning 'to firmly decide not to do something.' The adverbial form gained its emphatic negation usage over time.
📝Usage Notes
1. Always precedes the verb it negates. 2. Cannot be used with past tense verbs (e.g., 決して行かなかった is incorrect). 3. Often used in formal or emphatic contexts, such as oaths, promises, or warnings.