Delivered refers to the act of bringing or sending something to a particular destination or person. Its antonym, undelivered, means that something has not reached its intended recipient. It implies an interruption in the delivery process. Another antonym for delivered is withheld, which means to hold back or not release something. It suggests a deliberate decision not to complete the delivery. Another antonym for delivered is non-delivered, which simply implies that something was not delivered, but without any suggestion of why or how. Finally, the antonym misdelivered refers to something that has been mistakenly sent or sent to the wrong address.