unobservedly

In figure he was indifferently tall and thin and stooping, made to pass unobservedly along a pavement, or with the directness of humble but important business among crowds.

Hilda A Story of Calcutta Sara Jeannette Duncan

Jack tried to persuade his friend not to take the risk, but Walter was determined; so, unobservedly divesting himself of his heaviest garments, he dropped over the side of the launch and was soon stroking for the shore.

The Motor Girls Through New England or, Held by the Gypsies Margaret Penrose

While Togo's battleships, fresh and in good condition, poured shot and shell into the wayworn strangers, his torpedo-boats, greatly increased in number, glided almost unobservedly among the enemy and launched their thunderbolts with fatal effect.

The Awakening of China 1871

Operatives were immediately despatched in various directions, and the movements of the suspected parties were carefully but unobservedly watched.

Bucholz and the Detectives Allan Pinkerton 1856

Her habit was thus to watch, unobservedly, those to whom duty or affection bound her, and to prevent their designs, or to fulfil them, when she had the power.

The History of Henry Esmond 1852

He then proceeded along the hall, and up some narrow stairs, called private, as they led only to the library, and was crossing the apartment for the purpose of announcing Ben Israel, when the Jew, who had closely and unobservedly followed his footsteps with so light a tread as even to escape Robin's ears, passed him suddenly, and as suddenly Burrell of Burrell sprang from his seat, as if struck by a musket-ball.

The Buccaneer A Tale S. C. Hall 1840

In the midst of the hubbub, Mr. Lumley Ferrers quietly and unobservedly crept into the representation of Three-Oaks.

Ernest Maltravers — Volume 07 Edward Bulwer Lytton Lytton 1838

In the midst of the hubbub, Mr. Lumley Ferrers quietly and unobservedly crept into the representation of Three-Oaks.

Ernest Maltravers — Complete Edward Bulwer Lytton Lytton 1838

Her habit was thus to watch, unobservedly, those to whom duty or affection bound her, and to prevent their designs, or to fulfil them, when she had the power.

The History of Henry Esmond, Esq. A Colonel in the Service of Her Majesty Queen Anne William Makepeace Thackeray 1837

She here gave Connor a private signal to be firm, pointing unobservedly to Una's pale cheek, which at that moment lay upon her bosom.

Fardorougha, The Miser The Works of William Carleton, Volume One William Carleton 1831