unnoticing en · ADJ
Etymology
From un- + noticing.
Meanings
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(not-comparable) Not noticing.
He was hoping against all common sense that the young Prescotts had not seen his mishap, or at least that they would pass on above him unnoticing.
1911, Margaret Burnham, The Girl Aviators' Sky Cruise:Pallid, shaking, panting for every breath he drew, he was slipping out of the unnoticing crowd when Cap'n Jim Trainor of the lifeboat crew called to him.
1917, James A. Cooper, Cap'n Abe, Storekeeper:At the appointed hour Turner came and found me in an earnest study of the pictures in the farther end of the gallery, where I remained, unnoticing and unnoticed, until a sign from Griffiths called me up.
1901, William James Stillman, The Autobiography of a Journalist, Volume I: