(im-per-cep-ti-bil-i-ty) 7 syllables

Definition

noun. 1 so gradual or subtle as to be unnoticed or unnoticeable; 2 not capable of being perceived or apprehended.

Example Sentence

The book's imperceptibility made it so well written.

Hear It! Say It! Write It!

imperceptibility
Hear It! Say It! Write It!