Portuguese Adverbs Ending in -mente: Rapidamente, Felizmente, and More
Many Portuguese adverbs use -mente. Learn the spelling pattern and place the adverb where it clearly modifies an action or idea.
Real Life Portuguese · 6 min read · Updated October 15, 2026
The short answer
A common way to form an adverb is to add -mente to the feminine singular form of an adjective: rápida becomes rapidamente (quickly), cuidadosa becomes cuidadosamente (carefully), and tranquila becomes tranquilamente (calmly). If the adjective has the same form for masculine and feminine, attach -mente to that form: felizmente (fortunately).
Build many adverbs from an adjective
The resulting adverb does not agree in gender or number with the noun. It describes how an action happens or comments on a whole idea, while the adjective still agrees with the noun it describes.
Ela respondeu rapidamente.
She answered quickly.
Leia as instruções cuidadosamente.
Read the instructions carefully.
Felizmente, encontramos uma solução.
Fortunately, we found a solution.
Place the adverb near the idea it modifies
Adverbs can appear after the verb or at the beginning of a sentence. Put the word where the meaning is easiest to follow: ela explicou claramente (she explained clearly) or claramente, precisamos rever o plano (clearly, we need to review the plan).
Not every English adverb ending in -ly maps to a Portuguese -mente word, and everyday Brazilian conversation often uses shorter alternatives. Treat the pattern as a useful vocabulary tool, then learn frequent expressions in context.
O ônibus chegou pontualmente.
The bus arrived on time.
Ele explicou o problema gentilmente.
He explained the problem kindly.
Normalmente, estudo depois do trabalho.
I usually study after work.
Put it into practice
For many adjectives, use the feminine singular form plus -mente. The adverb itself does not change to agree with a noun, and context determines the most natural word choice.
Quick practice
Which Portuguese example matches “He explained the problem kindly”?
Choose an answer to check yourself.
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