| dead letter | n. จดหมายที่ไม่ถึงมือผู้รับ |
| dead letter | The treaty is now a dead letter. |
| dead letter | (n) the state of something that has outlived its relevance, Syn. non-issue |
| dead letter | (n) mail that can neither be delivered nor returned, Syn. dead mail |
| 虚文 | [虚 文 / 虛 文] dead letter; rule no longer in force; empty formality #151,559 [Add to Longdo] |
| 空文 | [くうぶん, kuubun] (n) dead letter [Add to Longdo] |
| 形骸化 | [けいがいか, keigaika] (n, vs) becoming a mere shell or dead letter [Add to Longdo] |
| 死文 | [しぶん, shibun] (n) dead letter; meaningless writing [Add to Longdo] |