undetected

/ ˌʌndɪˈtɛktɪd /

adjective

1. not perceived, noticed, or discovered

   the fake bomb passed undetected

Example Sentences

“He spoke so fast that the amazing perversity of his arguments escaped undetected; what remains of them is a monument of ingenuity and insolence.”

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Yet, for more than 100 years it lay undetected at the bottom of the ocean.

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The theft went undetected until a cleaning lady arrived for work in the morning and alerted authorities.

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"And when they have penetrated your networks, they actively and aggressively map your systems, and seek to maintain persistent undetected access that enables them to conduct sabotage at a time and moment of their choosing."

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That allowed the team to go undetected as they prepared to break into the palace.

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Related Words

• uncharted 
• undiscovered 
• unexplored 
• unheard-of