| DELETERIOUS | • deleterious adj. Harmful, often in a subtle or unexpected way. • deleterious adj. (Genetics) Having lower fitness. • DELETERIOUS adj. harmful, injurious. |
| DETERIORATE | • deteriorate v. (Transitive) To make worse; to make inferior in quality or value; to impair. • deteriorate v. (Intransitive) To grow worse; to be impaired in quality; to degenerate. • DETERIORATE v. to make inferior in quality or value. |
| DETERIORISM | • DETERIORISM n. the doctrine that the world grows worse. |
| DETERIORITY | • deteriority n. A worse quality or state; inferiority. • DETERIORITY n. (obsolete) worseness. |
| DETERIORATED | • deteriorated v. Simple past tense and past participle of deteriorate. • DETERIORATE v. to make inferior in quality or value. |
| DETERIORATES | • deteriorates v. Third-person singular simple present indicative form of deteriorate. • DETERIORATE v. to make inferior in quality or value. |
| DETERIORISMS | • DETERIORISM n. the doctrine that the world grows worse. |
| DELETERIOUSLY | • deleteriously adv. In a deleterious manner; harmfully. • DELETERIOUS adv. harmful, injurious. |
| DETERIORATING | • deteriorating adj. Getting worse. • deteriorating v. Present participle of deteriorate. • DETERIORATE v. to make inferior in quality or value. |
| DETERIORATION | • deterioration n. The process of making or growing worse, or the state of having grown worse. • DETERIORATION n. the act of deteriorating. |
| DETERIORATIVE | • deteriorative adj. Causing deterioration. • DETERIORATIVE adj. tending to deteriorate. |
| DETERIORITIES | • DETERIORITY n. (obsolete) worseness. |
| DETERIORATIONS | • deteriorations n. Plural of deterioration. • DETERIORATION n. the act of deteriorating. |
| DELETERIOUSNESS | • deleteriousness n. The quality or state of being deleterious. • DELETERIOUS n. harmful, injurious. |