Entry Word: imperceptible

Function: adjective

Meaning: not perceptible by a sense or by the mind <a slight difference in hue between the two glasses thatʼs imperceptible unless theyʼre placed side by side>

Synonyms impalpable, inappreciable, indistinguishable, insensible

Related Words inaudible, intangible, invisible; inconspicuous, indistinct, unnoticeable, unseeable, unseen; faint, insignificant, slight, trivial; buried, concealed, covert, disguised, hidden, obscure, shrouded, unapparent, vague

Near Antonyms audible, observable, tangible, visible; clear, conspicuous, evident, eye-catching, manifest, noticeable, obvious, plain, prominent, striking; apparent, distinct, significant, straightforward

Antonyms appreciable, discernible, palpable, perceptible, sensible