unobservable
comp: more unobservablesup: most unobservable
Related Words
invisibleimperceptibleundetectableunseenhiddenobscureobservableperceptibledetectablevisibleapparentevidentobservationperceptiondetectionevidenceempiricalmeasurementsensormicroscopicquantumstealthlatencytransparencyopacityspectrumwavelengthdark mattervacuumghostphantomsubatomicinferencehypothesistheoryverificationvalidationsightvisionawarenessconsciousnessintangibleabstractlatentoccultcrypticelusive