super-incumbent (adjective) burdensome: troublesome
Sinonime: carking, crushing,
demanding,
difficult,
disturbing,
exacting,
exigent,
heavy*,
irksome,
onerous,
oppressive, superincumbent, taxing,
tough,
trying,
wearing, wearying, weighty
Antonime: aiding,
helpful,
helping, relieving, unburdensome