General "good":
* Bom: This is the most common and versatile translation. It can be used in almost any situation where you would use "good" in English.
* Boa: This is the feminine form of "bom," used when referring to a feminine noun.
"Good" as an adjective:
* Bom: "This is a good book" - "Este é um bom livro."
* Boa: "She is a good person" - "Ela é uma boa pessoa."
"Good" as an adverb:
* Bem: "He sings well" - "Ele canta bem."
* Bom: This can also be used as an adverb in some cases, but it's less common.
"Good" as an expression of approval:
* Bom!: This translates to "good!" or "okay!" and expresses agreement or approval.
Other variations:
* Ótimo: This means "excellent" or "great."
* Maravilhoso: This means "wonderful" or "marvellous."
The best translation of "good" will depend on the specific context and the nuance you want to convey.