What is the series of adjectives?

Answer 1

as the name states.. a series of adjectives are a set of words that describe a noun or pronoun.. such example:

the "quick brown" fox
the "big fat" man
the "thin tall" boy

Answer 2

I assume you are asking how a "series of adjectives" works, that is, what ORDER adjectives should be listed in.

There is some debate about details, but most are agreed on.

A good basic list goes something like this:

- Determiners ('the, these, my...')
- Quantity
- Quality (= opinion, observation... more subjective)

PHYSICAL FEATURES
- Size
- Shape
- Age
- Color

- Origin (may =Nationality)
- Material (made from)
- Type, purpose

___________

For a couple of slightly different ways of describing these categories, with nice tables showing EXAMPLES, check the two links below.

The first may be the most convenient, the second is much more detailed AND includes some notes about which adjectives are more-or-less 'fixed' in order, and which may sometimes move.

http://grammar.ccc.commnet.edu/grammar/adjectives.htm#order
http://www.angelfire.com/wi3/englishcorner/grammar/rules/adjord.html