simple
Contents
English Expression
  1. adj.:  simple,  uncomplicated,  not complex or refined,  basic
Thesaurus
vital, Prime, grand, predominant, principal, foremost, original, foremost, prime, firstly and most importantly, most important, vitally valuable, sequence unitary, embryonic, clear, overt, primitive, apparent, extreme, opening, Originally of, plain, outstanding, ancient, antediluvian, primitive, connate, from, ace, Outstanding, demonstrable, self-evident, self-explanatory, severe, telling, classic, coherent, radical, radical, careless, upper, can stated, sensible