What does undelivered mean?
Undelivered means that something has not reached its intended recipient or destination. The word is especially familiar from postal and delivery contexts, as in "undelivered mail," "undelivered packages," and "undelivered goods," but it can also apply to messages that have not been communicated or to obligations that have not been fulfilled. Its implications depend on context: a physical delivery failure may involve an incorrect address, an absent recipient, or a transport problem, while an undelivered message suggests a breakdown in communication. In a figurative sense, the word can emphasize that something intended to reach or affect someone has remained incomplete or ineffective. Undelivered is more specific than simply "unsuccessful" because it focuses on the failure of transfer or completion. It should not be confused with undeliverable, which describes something incapable of being delivered rather than something that has not yet been delivered.
Not delivered to the intended recipient or destination; not received or communicated.
"The post office held several undelivered letters at the local depot."
Common in postal, logistics, and electronic-message contexts.
The past participle of deliver, used to describe something that has not been handed over or brought to its intended destination.
"Because nobody was available, the parcel was left undelivered."
Usually functions as a participial adjective, especially after a passive auxiliary such as was or remained.
Undelivered mail is a physical record of a communication that never reached anyone.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does undelivered come from?
Undelivered is an English formation combining the negative prefix un- with the past participle delivered. Deliver ultimately comes through Old French delivrer from Latin deliberare, originally associated with freeing or releasing and later developing the meanings of handing over, presenting, or bringing to a destination. The prefixed form undelivered follows the ordinary English pattern of negating a completed action or state.
How undelivered is actually used
Neutral and especially common in postal, delivery, and logistics contexts. It is normally used before a noun, although predicative use such as "the parcel is undelivered" is also possible. In figurative contexts, it can describe a message, order, or obligation that has not been fulfilled.
Easily confused with undelivered
Undeliverable means incapable of being delivered, whereas undelivered means that delivery has not taken place, for whatever reason.