angustioso

adj. distressed; anguished; anxious

adj. distressing, troubling

= harrowing, agonising [agonizing, -USA], agonised [agonized, -USA], distressing.
Ex: See Michael R. Booth, 'English Melodrama', for further details of this harrowing tale.
Ex: Much of the conventional wisdom of librarianship is going to have to undergo what is so aptly described as an 'agonizing reappraisal' before we can come to terms with the new information age.
Ex: He went back into the house, addressing his Maker in low agonized tones, changed, and started out again.
Ex: It really is distressing to observe in some libraries the casual and perfunctory way in which enquirers obviously seeking help are treated as persons.