Without elevations or depressions; flat; level; smooth; even. See Plane.

Level land; usually, an open field or a broad stretch of land with an even surface, or a surface little varied by inequalities; as, the plain of Jordan; the American plains, or prairies.

To plane or level; to make plain or even on the surface.

A significant area of level or gently undulating land. A variety of plains exist depending on their origin such as alluvial plains, coastal plains and flood plains.

Void of extraneous beauty or ornament; without conspicious embellishment; not rich; simple.

Characteristic of the liquor of light or thin tea.

A term to denote dull liquor with sour taste

lacking patterns especially in color

Not intricate or difficult; evident; manifest; obvious; clear; unmistakable.

To make plain or manifest; to explain.

clearly apparent or obvious to the mind or senses; "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"

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"; "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"

Not highly cultivated; unsophisticated; free from show or pretension; simple; natural; homely; common.

Not luxurious; not highly seasoned; simple; as, plain food.

not elaborate or elaborated; simple; "plain food"; "stuck to the plain facts"; "a plain blue suit"; "a plain rectangular brick building"

a simple rectangular object made up from two triangles

To lament; to bewail; to complain.

To lament; to mourn over; as, to plain a loss.

express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about"