adjective🔗ShareImperceptible, inapreciableNot perceptible, not detectable, too small in magnitude to be observed"We all missed the imperceptible shake of his head as he tried to warn us without being seen."Todos pasamos por alto el imperceptible movimiento de su cabeza cuando intentó advertirnos sin ser visto.sensationphysicsscienceamountqualityChat with AIVocabulary GamePractice Reading