Abysmal

His stupidity is abysmal.

His understanding of logic is abysmal.

Tom speaks excellent Russian, but his German is abysmal.

However, a number of factors — some completely out of the Democrats’ control — have combined to boost the party’s public support, raise Biden’s abysmal poll numbers and create a sense of momentum for the party that was absent during much of the past year.

Visibility was abysmal.

My sense of direction is abysmal. If I'm supposed to go north, I'll definitely head south. It's always been like that.

The reparations we received after the war were abysmal.

The latter [geology] gives one the same sort of bewildering view of the abysmal extent of Time that Astronomy does of Space. [First attested in the early 19ᵗʰ century.]

Robben curled an effort against the foot of the post from the edge of the box after being gifted the ball by an abysmal clearance from keeper Stephan Andersen.