make more intense, stronger, or more marked; "The efforts were intensified", "Her rudeness intensified his dislike for her"; "Potsmokers claim it heightens their awareness"; "This event only deepened my convictions";
increase; "This will enhance your enjoyment"; "heighten the tension";
make (one''s senses) more acute; "This drug will sharpen your vision";
make more extreme; raise in quantity, degree, or intensity; "heightened interest";
become more extreme; "The tension heightened";
increase the height of; "The athletes kept jumping over the steadily heightened bars";
