item by item

adverb
UK /ˈaɪtəm baɪ ˈaɪtəm/
US /ˈaɪtəm baɪ ˈaɪtəm/

One thing at a time, in order.

The teacher checked our homework item by item.


OTHER MEANINGS

2. Looking at each part of a list carefully, one after another.

We went through the shopping list item by item.

3. Doing something slowly and in a neat order, not all at once.

She packed her bag item by item so nothing was forgotten.

4. Talking about each thing on a list in a meeting.

The club talked about the plan item by item.