plain

Synonyms of PLAIN

adjective

honest, artless, blunt, candid, direct, frank, guileless, ingenuous

level, even, flat, plane, smooth

direct, downright, sheer, transparent

obvious, apparent, clear, distinct, evident, intelligible, lucid, manifest

unattractive, homely, unbeautiful, ugly

ordinary, common, commonplace

simple, frugal, discreet, homely, dry, homey, unadorned, unpretentious

name

prairie, level, expanse, plateau, mesa