simple
a person lacking intelligence or common sense
simple
easy and not involved or complicated
simple
(botany) of leaf shapes
simple
any herbaceous plant having medicinal properties
simple
lacking mental capacity and devoid of subtlety
simple
exhibiting childlike simplicity and credulity
simple
not elaborate in style
simple
having few parts
simpleness
the quality of being simple or uncompounded
simple(a)
apart from anything else
simple-minded
lacking mental capacity and devoid of subtlety
simple-minded
lacking subtlety and insight