All undetectable synonyms
de·tect
U u adjective undetectable
- masked — using or wearing a mask or masks: a masked burglar; masked actors.
- indiscernible — not discernible; that cannot be seen or perceived clearly; imperceptible.
- invisible — not visible; not perceptible by the eye: invisible fluid.
adj undetectable
- imponderable — not ponderable; that cannot be precisely determined, measured, or evaluated.
- imperceptible — very slight, gradual, or subtle: the imperceptible slope of the road.
- inappreciable — imperceptible; insignificant: an inappreciable difference.