undetectable
/ʌndɪˈtɛktəb(ə)l
/adjective
Not able to be detected: in the other two patients the antibodies were undetectable after one year a virtually undetectable particle...
- In four months of observation, this orbital movement would be so slight as to be undetectable from Earth.
- ‘You could have fraud on a scale never seen before, and it will be completely undetectable,’ he said.
- And there's another sound, too: a low, whispering rumble, almost undetectable.
Synonyms
unnoticeable, imperceptible, invisible, inaudible, odorless, subtle, faint, obscure;
tiny, minute, infinitesimal
Derivatives
undetectability
- The functional qualities of such a combat system should be intellect, organization, manageability, observation capability, undetectability, the ability to stand up in combat, and combat capabilities.
- The main conditions in controlling the systems include high stability, continuity, speed and undetectability.
undetectably
- Watching them stand, poker-faced, swaying almost undetectably from side to side, while singing, ‘I'm the operator with my pocket calculator’ instilled a kind of hypnotic glee in me.
- The current, which had undetectably aided our outward journey, had now begun to increase as we worked our way back along the upper part of the deck, making use of deck fittings and railings to ease our progress.
- Imagine we discovered that there were telepaths living among us, people who could undetectably read our minds, in a way that we couldn't block.