The opposite of the word "un perceivable" is "perceivable" which means that something can be perceived, felt or understood easily. It is an adjective that indicates that something is able to be perceived through the senses or mentally. Some examples of its antonyms include visible, audible, tangible, noticeable, visible, and detectable. When something is perceivable, it can be detected or sensed by the human senses, such as the eyes, ears, nose, or fingertips. It may also be described as evident, apparent, clear, or observable. In essence, the antonyms of "un perceivable" are words that describe something that can be easily perceived or sensed.