untraceable

Everyday

1. Untraceable means impossible to find, follow or trace, like an untraceable phone call, person or source. tree →
2. An untraceable amount is so small it cannot be found or measured. tree →

In the lessons

In stories and detective shows: untraceable calls, letters, money or poisons. In online safety: anonymous accounts can seem untraceable but often are not. In science: untraceable amounts of a substance.

Examples

• The kidnapper used an untraceable phone. tree →
• The thief vanished and was untraceable. tree →
• The missing ring seemed untraceable. tree →
• The money was sent in an untraceable way. tree →
• Police found that the letter was not untraceable after all. tree →
• Only untraceable amounts of the chemical were left. tree →

Note

Spelling: keep the «e» before «-able»: «untraceable» (c needs e to sound like s). Opposite: «traceable». Online, people are often traceable even when they think they are not.