Adjective
1. having few parts; not complex or complicated or involved;
"a simple problem""simple mechanisms""a simple design""a simple substance"2. easy and not involved or complicated;
"an elementary problem in statistics""elementary, my dear Watson""a simple game""found an uncomplicated solution to the problem"3. apart from anything else; without additions or modifications;
"only the bare facts""shocked by the mere idea""the simple passage of time was enough""the simple truth"4. exhibiting childlike simplicity and credulity;
"childlike trust""dewy-eyed innocence""simple courtesy"5. lacking mental capacity and devoid of subtlety
6. (botany) of leaf shapes; of leaves having no divisions or subdivisions
7. not elaborate in style; unornamented;
"a simple country schoolhouse""her black dress--simple to austerity"