rudimentary (adjective) rudimentary: basic, fundamental
Sinonime: abecedarian, basal,
beginning,
early,
elemental,
elementary, embryonic,
immature,
initial, introductory, larval, nuts-and-bolts,
primary,
primitive,
simple, simplest, uncompleted, undeveloped, vestigial
Antonime: additional,
advanced,
derivative,
developed,
extra, nonessential