It started with the sickening gang rape in Delhi last December and continued with a sequence of other widely reported ones.
Hot orange flames leap into the sky bringing with them the sickening, inescapable stench of death.
But the sense of loss is sickening and the shock has not begun to subside.
"falling sick," 1725; "causing revulsion, disgust, or nausea," 1789, present participle adjective from sicken. Related: Sickeningly.