one at a time meaning

Adverb: one at a time

1. In single file
   - one by one, one after another

[American idiom]
the first one, then the next one, then the next one, etc.; one at a time; each in turn.
• I have to deal with problems one by one. I can't handle them all at once.
• Okay, just take things one at a time.
• The children came into the room one by one.
• Fred peeled potatoes one by one, hating every minute of it.

Examples

More:   Next

1. it would be insupportable if these were to be examined one at a time.
2. i'll slice off his limbs one at a time and he won't even know where they're gone.
3. the apartments were so irregularly disposed that the vision embraced but little more than one at a time.
4. hey, one at a time . one at a time, all right
5. hey, one at a time . one at a time, all right