From WordNet (r) 3.0 (2006): worsen v 1: grow worse; "Conditions in the slum worsened" [syn: worsen, decline] [ant: ameliorate, better, improve, meliorate] 2: make worse; "This drug aggravates the pain" [syn: worsen, aggravate, exacerbate, exasperate] [ant: ameliorate, amend, better, improve, meliorate]
worsen v 1: grow worse; "Conditions in the slum worsened" [syn: worsen, decline] [ant: ameliorate, better, improve, meliorate] 2: make worse; "This drug aggravates the pain" [syn: worsen, aggravate, exacerbate, exasperate] [ant: ameliorate, amend, better, improve, meliorate]
