These one-of-a-kinds are truly unique.

These flowers are truly one of a kinds.

I bought a beautiful one-piece dress.

She wore a stylish one-piece to the beach.

She measured the length of the room using one foots.

They are not interested in one-offs, they prefer long-term commitments.

The one-percenters gathered at the exclusive yacht club for their annual meeting.

I have a collection of one-shots.

I have many one ups in this game.

He always one ups his competitors.