onetime

"Nay," said he, stoutly, "I be no Lord and I be no Prince, but I be as good as thou. For am I not the son of thy onetime very true comrade and thy kinsman […]?

1891, Howard Pyle, chapter 19, in Men of Iron

A G.C. line parcels train, headed by Class B1 4-6-0 No. 61163, approaches Chesterfield on July 29, 1961 past the remains of the bridge carrying the onetime G.C. line to Chesterfield Market Place.

1962 June, “Main line in the shadows—the Great Central”, in Modern Railways, page 370, photo caption

A onetime special […] forces officer, he had worked with Albright when she was ambassador to the United Nations and had served on the NSC staff with Clarke.

2004, The 9-11 Commission, 9/11 Commission Report, Chapter 4

President Donald Trump has revoked the security detail assigned to his former Defense Secretary Mark Esper, a person familiar with the matter confirmed Wednesday, adding to the growing list of officials who have faced retribution from their onetime boss.

2025 February 5, Kaitlan Collins, “Trump revokes Esper’s security detail, continuing his retribution against former officials”, in CNN, archived from the original on 04 Apr 2025

So far as manufacturers, traders, and lawyers use the savings banks, they are very generally of the poorer classes; and these probably own a great majority of the larger onetime deposits.

1896, Freeman Otis Willey, The Laborer and the Capitalist

One of the key characteristics of the proposed onetime password protocol is that attacker cannot use password because it changes every time.

2005, Osvaldo Gervasi et al., editors, Computational Science And Its Applications, Springer, →ISBN, page 526