unartificial

And I like his style: it is unartificial and bears the stamp of manly sincerity.

There is something solid, something pleasant and unartificial, about them.

Then away he went merrily over the unartificial ice on the Serpentine.

But unartificial nature is, in my opinion—haw—yes, a very wise nature, sometimes.

Then she stood upon tiptoe to kiss him, she was so unartificial, even before the company.

The isolated pair merely expressed their instincts in the unartificial, natural way.

Here in everything there was the air, the decorum, and the unartificial comfort of home.