Imperceptible

The gradual shift in political opinion was so slight that it was imperceptible to most people.

The changes in the painting were so imperceptible that the art critic didn't even notice them.

The improvement in his health was so imperceptible that it went unnoticed.

The amount of sugar in the recipe was so imperceptible that it didn't affect the taste.

The gravitational waves were too imperceptible to be detected by the instruments until very recently.

The particles in the air are so small that they are imperceptible to the human eye.

The change in altitude was so imperceptible that they didn't feel any change in pressure.

The levels of radiation in this area are so low that they are imperceptible to our instruments.

The slight differences in the two wines were imperceptible to the average wine drinker.

The color change in the sky was so slight that it was imperceptible until the sun was completely gone.

The differences between the two paintings were so imperceptible that even the art expert had trouble telling them apart.

His accent was so subtle that the change in tone was imperceptible.

The difference in quality between the two fabrics was imperceptible to the touch.

The adjustments to the microscope were so imperceptible that the researcher needed a magnifying glass to see them.

The cat's movements were so imperceptible that it was able to sneak up on its prey.

The increase in air pollution was imperceptible to most people until it started affecting their health.

She was struggling with an imperceptible thought that she couldn't put into words.

The light from the stars was imperceptible in the bright city lights.

The scientists had to use instruments to detect the imperceptible changes in the atmosphere.

The small, imperceptible movements of the magician's hand fooled the audience.

The changes in the landscape were so imperceptible that they went unnoticed for years.

The author's message was lost in the imperceptible subtext of the novel.

The change in the patient's condition was imperceptible to the untrained eye, but it was a sign of a serious problem.

The smell of the freshly baked bread was imperceptible until you stepped into the bakery.

The differences between the two samples are so imperceptible that we need a highly specialized instrument to measure them.

The changes in air pressure were so imperceptible that we only realized something was wrong when the instrument broke.

The imperceptible shift in her emotions was enough to set off alarm bells in her therapist's mind.

The amount of salt in this dish is imperceptible.

The tension between the two friends was imperceptible, but it was there.

The musician made an imperceptible adjustment to the tuning of his instrument before the concert.

The progress in the project was so imperceptible that the team felt like they were not making any headway.

The impact of the new policy was imperceptible on the company's bottom line.

The movement of the clouds was imperceptible as the storm approached.

The sound of the dog whistle was imperceptible to the human ear.

The change in taste was imperceptible to the palate.

The subtle shift in color was imperceptible to the naked eye.

The noise from the party was almost imperceptible from the neighbor's house.

The cat crept up to the bird with an imperceptible movement.

The subtle differences in the two paintings were imperceptible to the untrained eye.

The wind shifted in such an imperceptible way that the sailors didn't realize they were off course.

The aroma from the flowers was so weak that it was almost imperceptible.

The changes in her demeanor were so slight that they were imperceptible to most people.

The time difference between the two races was so imperceptible that they had to use a photo finish to determine the winner.

The changes in the political landscape were so imperceptible that many people were surprised by the election results.

The changes in the painting were so subtle that they were imperceptible to the untrained eye.

The sound of the mouse scurrying across the floor was almost imperceptible.

The chemical reaction was imperceptible to the chemical sensor.

The change in the company's logo was so imperceptible that most people didn't notice it.

The humming sound of the air conditioner was so imperceptible that it was easy to forget it was on.

The difference in texture between the two papers was imperceptible to the eye.