nerve-wracking

adjective

1. extremely irritating, annoying, or trying: a nerve-racking day; a nerve-racking noise.

adjective

1. very distressing, exhausting, or harrowing

adj.also nervewracking, 1867, from nerve + present participle of wrack (v.). adj.also nerveracking, 1812, from nerve + present participle of verbal sense of rack (n.1).