O dia é bom.

good

Breakdown of O dia é bom.

• ser: to be
• o dia: the day

Questions & Answers about O dia é bom.

Why is the article O used instead of A?

In Portuguese, the word dia (day) is a masculine noun, so we use the masculine article O. Other masculine nouns include words like carro (car) and livro (book), which also take o.

Why do we say bom and not boa?

When describing masculine nouns, we use bom (ending in “m”). For feminine nouns, we use boa (ending in “a”). Since dia is masculine, we say bom in this sentence.

How do I know when to use é instead of está?

In general, é indicates a more permanent or inherent characteristic, while está indicates a more temporary or changeable condition. Saying O dia é bom might imply a more general or habitual idea, whereas O dia está bom could emphasize that it’s good at the current moment.

How is the word dia pronounced?

It’s pronounced somewhat like "DEE-ah," with the stress on the first syllable.

Does the word dia ever change in the plural?

Yes, the plural form is dias. For instance, if you wanted to say The days are good, you would say Os dias são bons (noting that bons is the plural form of bom).