прилагательное 1) элементарный Синоним(ы): beginning 2) зачаточный, недоразвитый, рудиментарный Синоним(ы): underdeveloped
рудиментарный
adjective 1. consisting in first principles; fundamental Example: had only a rudimentary formal education — D. J. Boorstin 2. of a primitive kind Example: the equipment of these past empire-builders was rudimentary — A. J. Toynbee 3. very imperfectly developed or represented only by a vestige Example: the rudimentary tail of a hyrax • rudimentarily adverb • rudimentariness noun