| (n.) | The act or the state of declining; declination; descent; slope. |
| (n.) | A falling off towards a worse state; a downward tendency; deterioration; decay; as, the declension of virtue, of science, of a state, etc. |
| (n.) | Act of courteously refusing; act of declining; a declinature; refusal; as, the declension of a nomination. |
| (n.) | Inflection of nouns, adjectives, etc., according to the grammatical cases. |
| (n.) | The form of the inflection of a word declined by cases; as, the first or the second declension of nouns, adjectives, etc. |
| (n.) | Rehearsing a word as declined. |