simple

(noun) any herbaceous plant having medicinal properties.

(noun) a person lacking intelligence or common sense. Synonyms: simpleton.

(adj) having few parts; not complex or complicated or involved. Synonyms: simple (vs. complex). Examples: "A simple problem." "Simple mechanisms." "A simple design." "A simple substance."

(adj) easy and not involved or complicated. Synonyms: elementary, uncomplicated, unproblematic. Examples: "An elementary problem in statistics." "Elementary, my dear watson." "A simple game." "Found an uncomplicated solution to the problem."

(adj) apart from anything else; without additions or modifications. Synonyms: bare(prenominal), mere(prenominal), simple(prenominal). Examples: "Only the bare facts." "Shocked by the mere idea." "The simple passage of time was enough." "The simple truth."

(adj) exhibiting childlike simplicity and credulity. Synonyms: childlike, wide-eyed, round-eyed, dewy-eyed. Examples: "Childlike trust." "Dewy-eyed innocence." "Listened in round-eyed wonder."

(adj) lacking mental capacity and subtlety. Synonyms: dim-witted, simple-minded.

(adj) (botany) of leaf shapes; of leaves having no divisions or subdivisions. Synonyms: simple (vs. compound), unsubdivided.

(adj) unornamented. Examples: "A simple country schoolhouse." "Her black dress--simple to austerity."