Thesaurus

plain

noun

Synonyms and Antonyms of PLAIN

1
a broad area of level or rolling treeless country <the first settlers in that area lived on the vast plains in lonely log cabins>
Synonyms campo, champaign, down(s), grassland, heath, lea (or ley), llano, moor, pampa, prairie, savanna (also savannah), steppe, tundra, veld (or veldt)
2
a wide space or area <the vast plains of snow-covered earth that seemed to stretch endlessly>

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