Contoh kata adjectives ,ditambah kata -er/more-,the-est/the most -

Smart -> Smarter
Beautiful -> More beautiful
Tall -> The tallest
Gorgeous -> The most gorgeous

-er:
Busier, happier, funnier, uglier.
More:
more gentler, more exceptional, more desirable.

the -est:
The biggest, the smallest, the dirtiest.
The most:
The most beutiful, the most smartest, the most tidy.