plain

clearly revealed to the mind or the senses or judgment

“the effects of the drought are apparent to anyone who sees the parched fields”

“evident hostility”

“manifest disapproval”

“patent advantages”

not elaborate or elaborated; simple

“plain food”

“stuck to the plain facts”

“a plain blue suit”

“a plain rectangular brick building”

lacking patterns especially in color

not mixed with extraneous elements

“plain water”

“sheer wine”

“not an unmixed blessing”

free from any effort to soften to disguise

“the plain and unvarnished truth”

“the unvarnished candor of old people and children”

lacking embellishment or ornamentation

“a plain hair style”

“unembellished white walls”

“functional architecture featuring stark unornamented concrete”

extensive tract of level open land

“they emerged from the woods onto a vast open plain”

“he longed for the fields of his youth”

a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side

unmistakably (‘plain’ is often used informally for ‘plainly’)

“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”

express complaints, discontent, displeasure, or unhappiness

“My mother complains all day”

“She has a lot to kick about”