Example : They emerged from the woods onto a vast open plain.
He longed for the fields of his youth.

Synonyms : champaign, field

Synonyms : knit, knit stitch, plain stitch

Example : My mother complains all day.
She has a lot to kick about.

Synonyms : complain, kick, kvetch, quetch, sound off

Example : The effects of the drought are apparent to anyone who sees the parched fields.
Evident hostility.
Manifest disapproval.
Patent advantages.
Made his meaning plain.
It is plain that he is no reactionary.
In plain view.
A palpable lie.

Synonyms : apparent, evident, manifest, palpable, patent, unmistakable

Example : Plain food.
Stuck to the plain facts.
A plain blue suit.
A plain rectangular brick building.

Synonyms : unpatterned

Example : Plain water.
Sheer wine.
Not an unmixed blessing.

Synonyms : sheer, unmingled, unmixed

Example : The plain and unvarnished truth.
The unvarnished candor of old people and children.

Synonyms : unvarnished

Example : A plain hair style.
Unembellished white walls.
Functional architecture featuring stark unornamented concrete.

Synonyms : bare, spare, unembellished, unornamented

Example : A homely child.
Several of the buildings were downright homely.
A plain girl with a freckled face.

Synonyms : homely

Example : The answer is obviously wrong.
She was in bed and evidently in great pain.
He was manifestly too important to leave off the guest list.
It is all patently nonsense.
She has apparently been living here for some time.
I thought he owned the property, but apparently not.
You are plainly wrong.
He is plain stubborn.

Synonyms : apparently, evidently, manifestly, obviously, patently, plainly