Definition of "imperceptibly" []

• Not noticeably, too small to be detected, too little to be perceived. (adverb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Highly dominant, moderately dominant, and what I call imperceptibly dominant or submissive."
• "Clark smiled almost imperceptibly, that is his face expressed an inward amusement because a number of tiny lines wrinkled into being at the corners of his gray eyes, and his lips pushed out ever so slightly."
• "Cornelius or Schnorr (imperceptibly, that is to say), and reminiscences are poured out slowly while the smoke puffs from the pipes."