imperceptible

Meaning

So subtle or gradual that it is difficult to notice or perceive

So slight, gradual, or subtle as to be not easily noticed or perceived.

Example Sentences

The changes in his behavior were imperceptible at first.

The change in his voice was almost imperceptible.

Synonyms

subtle, undetectable, faint, invisible, indistinguishable, minute

Entry 1

subtle, undetectable, faint

Entry 2

subtle, faint, invisible, indistinguishable, minute

Antonyms

noticeable, obvious, evident, perceptible

Entry 1

noticeable, obvious, evident

Entry 2

obvious, perceptible, noticeable

Collocations

imperceptible change, imperceptible difference, imperceptible movement, almost imperceptible