with greater complexity, more difficult
At or close to the state of the art.
Pronounced farther to the front of the vocal tract.
Indicating a time ahead of the correct time.
Having moved forward in time or space (e.g. advanced ignition timing).
In a late stage of development; greatly developed beyond an initial stage.
Necessary.
Necessary for survival but not synthesized by the organism, thus needing to be ingested.
Being in the basic form; showing its essence.
Really existing; existent.
Very important; of high importance.
Having the nature of essence; not physical.
Such that each complementary region is irreducible, the boundary of each complementary region is incompressible by disks and monogons in the complementary region, and no leaf is a sphere or a torus bounding a solid torus in the manifold.
Idiopathic.
A necessary ingredient.
A fundamental ingredient.