simple

Adjective

• unornamented
  • a simple country schoolhouse
    
  • her black dress--simple to austerity
    

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

• lacking mental capacity and subtlety

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

• 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
    

• 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
    

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

Noun

• a person lacking intelligence or common sense

• any herbaceous plant having medicinal properties

Related words

• Synonyms: 
  unsubdivided , dim-witted , simple-minded , childlike , wide-eyed , round-eyed , dewy-eyed , bare(a) , mere(a) , simple(a) , elementary , uncomplicated , unproblematic , simpleton
• Antonyms: 
  compound , complex