Antonyms of adj unobservable
1 sense of unobservable
Sense 1
unobservable -- (not accessible to direct observation)
INDIRECT (VIA imperceptible) -> perceptible -- (capable of being perceived by the mind or senses; "a perceptible limp"; "easily perceptible sounds"; "perceptible changes in behavior")
Similarity of adj unobservable
1 sense of unobservable
Sense 1
unobservable -- (not accessible to direct observation)
=> imperceptible (vs. perceptible), 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")