Jul 6, 2012 · plain suggests outspokenness and freedom from affectation or subtlety in expression.

In geography, a plain, commonly known as flatland, is a flat expanse of land that generally has few rapid or steep changes in elevation. Natural vegetation in plains can include prairies / grasslands, forests, …

1. Free from obstructions; open; clear: in plain view. 2. Obvious to the perception or mind; evident: make one's intention plain. See Synonyms at apparent. 3. a. Not elaborate or complicated; simple: plain food.

1 day ago · The simple definition of PLAIN is having no pattern or decoration.

Jun 30, 2026 · plain, any relatively level area of the Earth’s surface exhibiting gentle slopes and small local relief. Plains vary widely in size.

Jun 29, 2026 · As with grassland (s), flatland (s), etc., plains can function as the plural of plain (There are ten principal low plains on Mars) or as its synonym (She lives on the plains), with a vague sense …

She wore a plain black dress. We've chosen a plain carpet (= one without a pattern) and patterned curtains. He prefers plain food - nothing too fancy. We're having plain blue walls in the dining room.

PLAIN definition: clear or distinct to the eye or ear: to stand in plain view. See examples of plain used in a sentence.

Plain refers to a large area of flat land with few trees or an adjective describing something as simple or unadorned. In contrast, plane can refer to a flat surface, in geometry, or an aircraft used for …

Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.