When we use adjectives in English, it is important to understand the verb to be

We usually use adjectives before the noun and they go in a specific order, for example:

I have a big dog called Benji.

THE ORDER OF ADJECTIVES IS AS FOLLOWS:

OPINION

SIZE
AGE
SHAPE

COLOUR
PLACE
MATERIAL

PURPOSE

It is strange to have a sentence with 8 adjectives, so we just have the adjectives in the order or the rules.

I have a big, brown dog named Benji.

I have a big, old, fat brother called Alex.

Adjectives in English are always singular, study the example:

I have eleven differents subjects at school.

A great way to expand your vocabulary is to focus on developing your language database by relating words you already know to synonyms (similar words) and antonyms (opposites) instead of translating them into your mother tongue.

ADJECTIVE	SYNONYM	ANTONYM
BORING	DULL	FUN
FUN	ENTERTAINING	UNINTERESTING
AMAZING	WONDERFUL	DREADFUL
TIDY	ORGANISED	MESSY
ABLE	CAPABLE	INEPT
HARD	DIFFICULT	STRAIGHTFORWARD
YOUNG	YOUTHFUL	ELDERLY
WHOLE	ENTIRE	INCOMPLETE
UNCOMFORTABLE	AWKWARD	COMFY
TERRIBLE	AWFUL	EXCELLENT
CHEAP	REASONABLE	COSTLY
EXPENSIVE	OVERPRICED	WELL-PRICED
SUITABLE	FITTING	INCONVENIENT
TROUBLED	DISTURBED	UNPERTURBED
NATIONAL	PUBLIC	LOCAL
LITTLE	TINY	ENORMOUS
CIVILIZED	DEVELOPED	BARBARIC
NEAT	IMMACULATE	SHABBY
TIGHT	STINGY	GENEROUS