1. Grammar .
a. the inflection of nouns, pronouns, and adjectives for categories such as case and number.
b. the whole set of inflected forms of such a word, or the recital thereof in a fixed order.
c. a class of such words having similar sets of inflected forms.
2. an act or instance of declining.
3. a bending, sloping, or moving downward.
4. deterioration; decline.
5. deviation, as from a standard.
In all manners of declension
From light and rosy
To stormy monsters