insufficient (adjective) insufficient: not enough; lacking
Sinonime: chock-full, choked,
closed, crammed, crowded, filled, glutted, gorged, gridlocked, jam-full, jam-packed, jammed, massed, mobbed, obstructed, occluded, overcrowded, overfilled, overflowing, packed, packed like sardines, plugged,
stopped, stoppered, stuffed, stuffed-up, teeming, up to the rafters
Antonime: clear,
free,
open, unblocked, unclogged, uncongested, uncrowded