deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious Merriam-Webster deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious deleterious