sei2 seon3死信

Jyutpingsei2 seon3
Yaleséi seun
名詞

Definition

Dead letter; an undeliverable letter with an incorrect address and no return address.

neutralcommunication

How it's used

Refers specifically to mail that cannot be delivered or returned to the sender due to incomplete or illegible information. While the term is standard in postal contexts, it is rarely used in casual conversation unless discussing logistics or mail issues. It carries a formal, bureaucratic tone rather than an emotional one.

Measure word

fung1fūng

Examples

This letter couldn't be delivered and has become a dead letter.
How does the post office handle dead letters?

Related words

Common phrases

become a dead letter

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector