Definition of plained:
(adj) :
Simple, unaltered.
(adj) :
Ordinary; lacking adornment or ornamentation; unembellished.
(adj) :
Of just one colour; lacking a pattern.
(adj) :
Simple in habits or qualities; unsophisticated, not exceptional, ordinary.
(adj) :
(of food) Having only few ingredients, or no additional ingredients or seasonings; not elaborate, without toppings or extras.
(adj) :
(computing) Containing no extended or nonprinting characters (especially in plain text).