The back story here is that reporting on the details of competing budget proposals is monstrously boring.
The whole conception of the military caste as to what the Army ought to be is medieval and monstrously wrong.
His beard resembled an egg in shape and was monstrously big.
The laws under which these people have been living have been monstrously bad.
I was monstrously 'frightened at him,' but, when I came to talk with him, he seemed 'frightened at me.'
It was monstrously ungrateful to be unhappy when one lived among these kind folk.
He is shamelessly, indecently, monstrously lacking in the ironic sense.
We may be sure the mass of his contemporaries would have pronounced it to be monstrously overcharged.
Amy, has it never struck you that somebody is monstrously polite to Mrs General?'
I suppose that that was the most monstrously wicked thing that Edward Ashburnham ever did in his life.
mid-15c., "unnatural, deviating from the natural order, hideous," from Middle French monstrueux, from Latin monstruosus "strange, unnatural, monstrous," from monstrum (see monster). Meaning "enormous" is from c.1500; that of "outrageously wrong" is from 1570s. Earlier form monstruous (late 14c., from Old French monstruous) was "very common in the 16th c." [OED].