unnoticeably

Example:He unnoticeably slid into the seat beside her without making a sound.

Definition:To move in a way that cannot be seen or is barely perceptible.

Example:The red marks on her face began to unnoticeably fade as the day wore on.

Definition:To gradually become less intense or prominent in such a manner that it goes unnoticed.

Example:Her demeanor had subtly changed, and his close friend noticed she unnoticeably changed after the meeting.

Definition:To alter in some way that is not readily apparent or recognized.

Example:The cloak helped him to unnoticeably disappear into the crowd.

Definition:To vanish without being noticed or detected.

Example:Her influence had unnoticeably shrunk over the years, so much that no one seemed to notice.

Definition:To become smaller in size without being obviously detected.

Example:He unnoticeably moved closer to her, wanting to make sure she could not shake off his hand.

Definition:To shift position without anyone noticing.

Example:The negotiations unnoticeably altered the terms of the trade agreement to include more favorable clauses.

Definition:To change something in a way that is not obvious to others.

Example:Her weight unnoticeably shifted when she stood up, and a chair wobbled slightly.

Definition:To change position or condition in an imperceptible manner.

Example:His hands unnoticeably fluctuated as he turned the pages of the book, his mind absorbed in thought.

Definition:To vary in level or intensity in a manner that is not easily detected.

Example:When the crowd parted, he unnoticeably disappeared into the sea of faces.

Definition:To vanish into the background or among a group without being noticed.