* apparent
* evident
* manifest
* patent
* unmistakable
* obvious * unadorned * undecorated * unpretentious * unrhetorical * simple * unmingled * unmixed * sheer * pure * unembellished * unornamented * spare * bare * evidently * manifestly * obviously * patently * plainly * apparently
alluvial plain, coastal plain, delta, delta plain.
flat ground
Plain, boring
just plain nervousness
Flood plain, alluvial plain, tidal plain, firth, inlet, bayou, estuary, slough, and river mouth are all terms that are synonymous with 'delta'.
fundamental simple plain ordinary
Its swampI think a better synonym is plain (extensive area of flat land). A swamp is a wet damp place, prairies or plain are not necessarily wet.
No, it is a synonym. Antonyms have opposite meanings.
plain (homophone for plane)
CHROMATIC:SYNONYM: colorful,flashy,brightANTONYM:dull,plain,boring
Synonyms for steppe include grassland, plain, prairie, and savanna.
snug, simple, plain