spouse **
partner ****
married person
mate **
better half

She has spent the better half of the last two years trying to get pregnant.

The man wishes for a life where he can go out and meet someone to be his "better half".

"How did you come to separate from your better half?"

A man introduced himself to her, then asked, "And is this your better half?"

I will consider my wife to be The better half.

There's more to being single than looking for your better half.

I've been with my better half, trying to figure out what her strange new life is all about.

That meant, on Sunday, a better second half than first.

The group also said it expected to have a better second half of the year.

Next, his better half took courage; She would have her picture taken.