S: (adj) plain (plain%3:00:01::) (not elaborate or elaborated; simple) "plain food"; "stuck to the plain facts"; "a plain blue suit"; "a plain rectangular brick building"
S: (adj) plain (plain%3:00:00:direct:02), unvarnished (unvarnished%3:00:00:direct:02) (free from any effort to soften to disguise) "the plain and unvarnished truth"; "the unvarnished candor of old people and children"
S: (adj) homely (homely%3:00:00:unattractive:00), plain (plain%3:00:00:unattractive:00) (lacking in physical beauty or proportion) "a homely child"; "several of the buildings were downright homely"; "a plain girl with a freckled face"