Adjective
1. clearly apparent or obvious to the mind or senses;
"the effects of the drought are apparent to anyone who sees the parched fields""evident hostility""manifest disapproval""patent advantages""made his meaning plain""it is plain that he is no reactionary""in plain view"2. not elaborate or elaborated; simple;
"plain food""stuck to the plain facts""a plain blue suit""a plain rectangular brick building"3. lacking patterns especially in color
4. not mixed with extraneous elements;
"plain water""sheer wine""not an unmixed blessing"5. free from any effort to soften to disguise;
"the plain and unvarnished truth""the unvarnished candor of old people and children"6. lacking embellishment or ornamentation;
"a plain hair style""unembellished white walls""functional architecture featuring stark unornamented concrete"7. lacking stylistic embellishment;
"a literal description""wrote good but plain prose""a plain unadorned account of the coronation""a forthright unembellished style"8. comprehensible to the general public;
"written for the popular press in plain nontechnical language"9. lacking in physical beauty or proportion;
"a homely child""several of the buildings were downright homely""a plain girl with a freckled face"