Your suggestion is of no practical use. ✬

Your ideas are hardly practical. ✬

His idea is too abstract to be of practical use to us. ✬

It's not practical. ✬

I love practical jokes. ✬

Tom gave Mary some practical advice. ✬

Tom is practical. ✬

You're practical. ✬

They're very practical. ✬

That's not practical. ✬