undetected
Adjective
Meaning
not perceived or discerned
Source: WordNetSynonyms
Antonyms
Phrases with the word
Examples
they feared some undetected trace of poison
she looked around to be sure her faux pas was undetected
An aircraft having stealth characteristics would be able to fly nearly undetected and could be attacked only by weapons and systems not relying on radar.
Also, it may lead to the inadvertent termination of an undetected intrauterine pregnancy, or severe abnormality in any surviving pregnancy.
Again, this assumption is challengeable with, for instance, stealth aircraft, but also with other means, such as smuggling weapons to the target undetected (using devices like a suitcase nuke ).
“A submarine’s best defense is of course stealth, remaining quiet and undetected in the ocean deep,” Ballantyne notes.