Περιττός 用英语:

If two people are in agreement, one of them is unnecessary.

If you plan well, you can spend less time doing unnecessary things and get the work done faster.

The student decided to abridge his paper by taking out unnecessary details.

They discarded unnecessary things.

Civilization is the limitless multiplication of unnecessary necessities.

We should not take unnecessary risks

You gave him all kinds of unnecessary details.

It was totally unnecessary of her to tell everyone about her husband's sacking.

unnecessary expense

Your fights are unnecessary now.

The Oxford comma is awkward, unnecessary, and cannot be carried over to languages other than English.

It's a kinda ridicule unnecessary fibonacci-syllabic-heap.

It is very important to tell the necessary from the unnecessary.