Antonyms of adj detectable

2 senses of detectable

Sense 1
detectable, noticeable -- (capable of being detected; "after a noticeable pause the lecturer continued")

INDIRECT (VIA perceptible) -> imperceptible, unperceivable -- (impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch")

Sense 2
detectable, perceptible -- (easily seen or detected; "a detectable note of sarcasm"; "he continued after a perceptible pause")

INDIRECT (VIA noticeable) -> unnoticeable -- (not noticeable; not drawing attention; "her clothes were simple and unnoticeable"- J.G.Cozzens)

Similarity of adj detectable

2 senses of detectable

Sense 1
detectable, noticeable -- (capable of being detected; "after a noticeable pause the lecturer continued")
       => perceptible (vs. imperceptible) -- (capable of being perceived by the mind or senses; "a perceptible limp"; "easily perceptible sounds"; "perceptible changes in behavior")

Sense 2
detectable, perceptible -- (easily seen or detected; "a detectable note of sarcasm"; "he continued after a perceptible pause")
       => noticeable (vs. unnoticeable) -- (capable or worthy of being perceived; "noticeable shadows under her eyes"; "noticeable for its vivid historical background"; "a noticeable lack of friendliness")