one by one

idiom

: separately in a series : one at a time : first one and then another one, etc.
I solved the problems one by one.
The performers took the stage one by one.

Examples of one by one in a Sentence

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And one by one, these industrial castles of brick and timber suffered the same fate. Jody Mamone, Hartford Courant, 17 July 2025 The work to treat and hopefully one day prevent Parkinson’s is being done through finding these factors and eliminating them one by one. Katherine Weaver, Chicago Tribune, 16 July 2025 Crowder pulled them out of the vehicle one by one and took them to a neighbor's yard. N'dea Yancey-Bragg, USA Today, 7 July 2025 Now, the truth of all their stories — one by one — will begin to be told. ProPublica, 23 July 2025 See All Example Sentences for one by one

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“One by one.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one%20by%20one. Accessed 20 Aug. 2025.

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