1. (

• simple

) any herbaceous plant having medicinal properties ;

2. (

• simpleton ,
• simple

) a person lacking intelligence or common sense ;

1. (

• simple ,

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

2. (

• elementary ,
• simple ,
• uncomplicated ,
• unproblematic

) 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. (

• bare ,
• mere ,
• simple ,

) 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. (

• childlike ,
• wide-eyed ,
• round-eyed ,
• dewy-eyed ,
• simple

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

5. (

• dim-witted ,
• simple ,
• simple-minded

) lacking mental capacity and subtlety ;

6. (

• simple ,
• unsubdivided

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

7. (

• simple

) unornamented; "a simple country schoolhouse"; "her black dress;