(archaic) Mixed with barbarous elements.

Real being; existence. / The act of maintaining oneself at a minimum level. / Inherency. / Something (food, water, money, etc.) that is required to stay alive.

Ingenious (and often complex) but absurdly impractical or even useless.

(biochemistry) a nucleotide that is used as a source of energy in cellular reactions, in the synthesis of nucleic acids, and as a neurotransmitter recognised by purinergic receptors