heapest (adjective) countless: innumerable
Sinonime: aerial, aeronautical, airborne, avian, drifting,
express, flapping,
fleet,
floating, fluttering, gliding, hovering,
mercurial,
mobile, on the wing, plumed, soaring,
speedy, streaming, swooping, volant, volar, volitant, waving, winging, zooming
Antonime: ground, grounded