Undetectable

Incapable of being detected, noticed, or discovered, often due to being too small, faint, or skillfully concealed. Something undetectable escapes perception, whether through sight, sound, smell, or other senses, or through technical instruments or analysis. It implies a state of being beyond the reach of current methods or sensitivities used for observation or measurement. This can range from microscopic particles to subtle changes in behavior or expertly disguised actions.

Undetectable meaning with examples

• The traces of poison used were so minute and chemically unstable that they remained undetectable even with advanced forensic testing, ensuring the perpetrator's escape from immediate suspicion.
• The secret agent moved through the crowded marketplace with an almost supernatural grace, blending seamlessly into the background and remaining undetectable to watchful eyes.
• Due to improvements in stealth technology, the new military aircraft's radar signature was reduced to almost nothing, making it virtually undetectable to enemy surveillance systems.
• Early-stage symptoms of the disease can often be undetectable, which is why regular screenings are crucial for early diagnosis and more effective treatment options.