simple

any herbaceous plant having medicinal properties

a person lacking intelligence or common sense

having few parts; not complex or complicated or involved; "a simple problem"; "simple mechanisms"; "a simple design"; "a simple substance"

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"

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"

exhibiting childlike simplicity and credulity; "childlike trust"; "dewy-eyed innocence"; "listened in round-eyed wonder"

lacking mental capacity and subtlety

(botany) of leaf shapes; of leaves having no divisions or subdivisions

unornamented; "a simple country schoolhouse"; "her black dress--simple to austerity"