Adjective perceptible has 3 senses
  1. perceptible - capable of being perceived by the mind or senses; "a perceptable limp"; "easily perceptible sounds"; "perceptible changes in behavior"
    imperceptible, unperceivable, impalpable, incognizable, incognoscible, indiscernible, insensible, undetectable, subliminal, unobservable
  2. obvious, perceptible - easily perceived by the senses or grasped by the mind; "a perceptible sense of expectation in the court"; "an obvious (or palpable) lie"
    Antonym: impalpable (indirect, via palpable)
  3. detectable, perceptible - easily seen or detected; "a detectable note of sarcasm"; "he continued after a perceptible pause"
    Antonym: unnoticeable (indirect, via noticeable)