not easily borne; wearing; "the burdensome task of preparing the income tax return"; "my duties weren't onerous; I only had to greet the guests"; "a taxing schedule"
providing or experiencing physical discomfort; "an uncomfortable chair"; "an uncomfortable day in the hot sun"
conducive to or feeling mental discomfort; "this kind of life can prove disruptive and uncomfortable"; "the uncomfortable truth"; "grew uncomfortable beneath his appraising eye"; "an uncomfortable way of surprising me just when I felt surest"; "the teacher's presence at the conference made the child very uncomfortable"