one by one

Idioms  

1. Also, one at a time. Individually in succession, as in The ducklings jumped into the pond one by one, or One at a time they went into the office. Formerly also put as one and one and one after one, this idiom dates from about a.d. 1000.

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Example Sentences

Possibly Kavanaugh’s concern was that the Court of International Trade will have to adjudicate 1,500 claims one by one.

From Los Angeles Times

The rich Redfellows get dispatched one by one in scenes that are fun but empty — neither cathartic nor comic, simply boxes to be checked off to great big poundings of thunder and harpsichords.

From Los Angeles Times

She shaped her dough into eight flat pancakes and flicked them one by one onto the hot rock.

From Literature

Like teens in a creepy house the software sub-sectors are being taken out methodically, one by one.

From MarketWatch

As I try to get some food in my stomach, my family leaves me one by one.

From Literature