Nonmailable

The adjective 'nonmailable' describes something that cannot be sent through the postal system due to legal restrictions, size limitations, safety concerns, or the nature of the item itself. This encompasses a broad range of items, from hazardous materials and illegal substances to excessively large or oddly shaped packages, as well as items that could damage other mail or postal equipment. The nonmailable status is usually determined by postal regulations specific to a country or region and may be subject to change based on evolving safety standards and technological advancements. The term emphasizes the unsuitability of an item for postal delivery.

Nonmailable meaning with examples

• The shipping company informed us that the package, containing a large quantity of lithium batteries, was considered nonmailable due to strict safety regulations regarding hazardous materials. We had to find an alternative, specialized courier service that could handle such items, and ensure safe transport and delivery of the potentially dangerous package.
• Because the antique sculpture was both fragile and excessively large, it was deemed nonmailable by the post office. Its irregular shape also made it unsuitable. Therefore, it was sent via a dedicated freight service that offered specialized handling and insurance to protect the valuable artwork during transit.
• The shipment of raw meat was rendered nonmailable by the postal service due to the risk of spoilage, contamination, and potential health hazards. The sender had to make special arrangements through a refrigerated courier service to ensure the temperature requirements were met for delivery.
• The suspicious powder found in the envelope was immediately classified as nonmailable, prompting an investigation by postal security officials and local law enforcement to determine its nature and potential threat. The safety of postal workers and recipients was the utmost priority in this instance.
• Despite the sender's insistence, the package containing a live animal was declared nonmailable due to strict animal welfare guidelines and practical logistical challenges associated with providing adequate care during transit. The attempt at postal delivery was immediately halted.