Usually adjectives come in masculine and feminine flavors and reflect the gender
of the noun they describe. Normally masculine adjectives end in an -o
and feminine adjectives end in an -a.
Some adjectives are invariable. They are the same regardless of whether they
describe a masculine or feminine noun. These end in an e or a consonant.
If a noun is plural then the adjective is also plural--an s is added
to the end.
If the adjective ends in a consonant, an es is added to the end to
make that adjective plural.
is one of the few nouns that is masculine despite ending in
Here are some more adjectives. Keep in mind that all the -o ending
adjectives have a feminine equivalent that ends in -a.