He was balanced precariously on top of the fence. The rock was precariously balanced on the edge of the cliff.
The schoolbus balanced precariously on the edge of the cliff.
The boat rocked precariously when my sister jumped into it.
She clung precariously to the ledge, trying not to slip off the edge.
The word precariously, like most words that end in -ly, is an adverb.
Dangerously
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
His book was balanced precariously on the edge of the table, with only half of it actually on the surface.
The adjective form of "cranium" is "cranial."
The adjective form for the pronoun they is their.
The adjective form of concept is conceptual.The adjective form of conception is conceptional.
The Adjective form of Pathologist is Pathological.