gearbox (noun) transmission: conveyance
Sinonime: alive with, bottomless,
boundless,
countless, crawling with, endless,
extensive, illimitable, immense, indefinite, inestimable, inexhaustible, jillion,
large, limitless, measureless, no end of, no end to, umpteen, unbounded, uncountable,
unfathomable, unlimited, unmeasurable, unreckonable, vast, zillion
Antonime: bounded, calculable,
finite, limited, measurable