untraceable

[uhn-trays-uhb-uhl]

adjective

1. not able to be tracked, found, or discovered.

Example Sentences

According to Pasadena officials, the vehicle’s license plate is a “cold plate,” or untraceable, which is typically used by law enforcement in undercover criminal operations.

From Los Angeles Times

But Zephyr is as worldly as Bruce is, meaning that she’s a cunning foil to his long-running string of untraceable serial murders.

From Salon

A rise in informal, untraceable cash transfers and a dent in India's most stable source of external financing.

From BBC

His face is a bit more fluid, untraceable, tucked into itself, echoed by the arm he holds across his body, drawing his striped tie askew.

From Los Angeles Times

Police said that when they found Mr Mangione, he was in possession of a ghost gun - a gun assembled from untraceable parts - a fake ID, a passport and a handwritten document indicating "motivation and mindset".

From BBC