adjective
perceptible
per-SEP-tuh-bul/pərˈseptəbl/
Able to be noticed by the senses or mind.
The dark crack is clearly perceptible against the pale ceramic cup.

Etymology
Taking something thoroughly became an image for grasping it with the mind. Something perceptible can thus be taken in by the senses—noticed or sensed.
In context
Again it became suddenly plain and perceptible to him that he had just told a fearful lie …
More examples
- Her voice drops to a barely perceptible whisper.
- There is a perceptible improvement in his reasoning.
- The difference between the two shades is perceptible only in daylight.
Forms
perceptible · more perceptible · most perceptible
perceptibly adverb — In a way that can be noticed.
Similar words
- noticeable
- Often suggests drawing attention, not just being detectable.
- detectable
- Emphasizes discovery through careful observation, testing, or special equipment.
- discernible
- Emphasizes distinguishing something clearly enough to recognize or understand.