Nouns & Gender (o / a)
Nouns & Gender (o / a) 🇵🇹

Every Portuguese noun has a grammatical gender — masculine or feminine — which affects the articles, adjectives, and pronouns used with it.

General Rules
Ending Usually Example
-o Masculine o livro (the book)
-a Feminine a casa (the house)
-agem, -dade, -tude Feminine a viagem, a cidade, a atitude
-ema, -oma Masculine (Greek origin) o problema, o idioma
Common Exceptions

Some words don't follow the typical pattern and must be memorized:

Word Gender Meaning
o dia masculine the day
a mão feminine the hand
a foto(grafia) feminine the photo
o mapa masculine the map
Forming Plurals
  • Ends in a vowel add -s: livro → livros
  • Ends in -m change to -ns: homem → homens
  • Ends in -r / -z / -s (stressed) add -es: mulher → mulheres
  • Ends in -l usually changes to -is: animal → animais
Tip: Always learn a new noun together with its article (o or a) — it's the fastest way to memorize gender correctly.