one by one Meaning, Definition & Usage
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adverb in single file
one at a time; one after another.
- the prisoners came out one by one
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adverb one piece at a time
by the piece.
- she sold the plates by the piece
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adverb apart from others
individually; on an individual basis; singly; separately; severally.
- taken individually, the rooms were, in fact, square
- the fine points are treated singly
