radical (adjective) radical: fundamental, basic
Sinonime: basal,
bottom,
cardinal, constitutional, deep-seated,
essential, foundational,
inherent,
innate,
intrinsic, meat-and-potatoes,
native,
natural,
organic,
original,
primal,
primary,
primitive,
profound, thoroughgoing,
underlying,
vitalAntonime: extrinsic, nonessential,
superficial