This means “complete, unsurpassed, perfect enlightment.” Notice, though, that the sutra first says the bodhisattva has nothing to attain and that, because of having nothing to attain, he attains complete liberation. You can’t attain liberation the way you attain a 1968 Camaro or D-plus on a math test. You can only attain liberation by clearly seeing there is nothing to attain.
Hardcore Zen: Punk Rock Monster Movies & the Truth About Reality
by Brad Warner