unperceived

The Duke watched his opportunity, slipped in unperceived, and says to the porter, 'Hallo, you sir, a pretty look-out this!' and laughed, and enjoyed the feat, as much as he did when he played the same flank-turning game in war.

The Autobiography of Liuetenant-General Sir Harry Smith, Baronet of Aliwal on the Sutlej, G. C. B. 1903

"unperceived," says the British account, until the passage had been successfully made.

The Story of Commodore John Barry 1876

The world awoke rather abruptly to its danger; but for over seventy years, unperceived, affairs had been shaping toward this very end.

THE UNPARALLELED INVASION 2010

There was a shared disappointment, however, about the TV dramatisations of the Mole books – in one of which, Townsend recalled with distaste, all the main characters seemed to be adopting Birmingham accents, unperceived by the Hungarian director.

Book club, week three: The Secret Diary of Adrian Mole, Aged 13¾ 2011

Father, with several of our company, had gone there to try to buy flour and I, disobeying my mother in my curiosity to see more of our enemies, had tagged along unperceived.

Chapter 13 2010

Agatha listened with respect, her eyes sometimes filled with tears, which she endeavoured to wipe away unperceived; but I generally found that her countenance and tone were more cheerful after having listened to the exhortations of her father.

Chapter 12 2010

To this end I resolved to move Crook, unperceived if possible, over to the eastern face of Little North Mountain, whence he could strike the left and rear of the Confederate line, and as he broke it up, I could support him by a left half-wheel of my whole line of battle.

She Makes Her Mouth Small & Round & Other Stories 2010

"We shall dissect," said Mielwis, and by means unperceived by Charlie Johns, he caused the chart to change: blip!

Arcana Magi - c.1: Oryn Zentharis, Seeker of the Truth 2010

The presidential family diaspora carries with it many obligations, perceived and unperceived, imposed and organic.

In new book, David Eisenhower, wife Julie mine memories of Ike's twilight years Manuel Roig-Franzia 2010

He further asked: “‘Clear me of unperceived guilt’ [ibid.; i.e., of the sins I committed secretly, unperceived by others].”

Bathsheba: Midrash and Aggadah. 2009