sub stratal (adjective) basic: elementary, fundamental
Sinonime: basal,
capital,
central,
chief,
elemental,
essential,
indispensable,
inherent,
intrinsic,
key,
main,
necessary,
primary,
primitive,
principal,
radical, substratal,
underlying,
vitalAntonime: additional,
extra, inessential, nonessential,
outside,
peripheral,
secondary