Simple Examples:
* The change in temperature was imperceptible to most people.
* The tremor in his hand was imperceptible to the casual observer.
* Her smile was imperceptible, but it betrayed her true feelings.
More Complex Examples:
* The artist's brushstrokes were so imperceptible that the painting seemed to flow seamlessly.
* The gradual decline in the economy was imperceptible at first, but it eventually led to a major recession.
* The transition from day to night was imperceptible on the moon, where there is no atmosphere to scatter sunlight.
Using "imperceptible" with Prepositions:
* The difference between the two products was imperceptible to the untrained eye.
* The cat moved with imperceptible grace.
* The sound of the leaves rustling was imperceptible from inside the house.
Note: "Imperceptible" is often used to describe something that is extremely subtle or difficult to notice. It can also be used to describe something that is gradual and almost unnoticeable.