untraceable

3 definitions • 6 examples

If something is untraceable, it is not possible to find out who made it or started it, or where it came from. :

The website address changed over 1,000 times, making it almost untraceable.

The anonymous cards are popular, particularly with those who want to make untraceable purchases.

If someone or something is untraceable, no one can find them or it. :

These online phishing criminals are often virtually untraceable.

They communicate using untraceable mobile phones.

If a substance is untraceable, it cannot be discovered using special methods:

All the chemicals should be untraceable within weeks, and until then, the lake will remain closed.

The technology will make it possible to detect substances that were, until now, untraceable.