Espiar vs. Expiar: Peek or Atone?
Espiar means to peek or observe secretly; expiar means to atone or undergo a penalty.
Real Life Portuguese · 5 min read · Updated October 14, 2026
The short answer
Espiar with s means to look at or observe something secretly, discreetly, or from a hidden position. It may appear in a playful context, such as peeking at a surprise, or in a serious context involving surveillance. The sentence supplies the tone.
Use espiar for looking secretly
The related noun espião means spy. Use espiar when someone is watching or trying to see something without being noticed.
A criança tentou espiar o presente antes da festa.
The child tried to peek at the present before the party.
Ele espiou pela janela para ver quem chegou.
He looked through the window to see who arrived.
Os agentes foram acusados de espiar os rivais.
The agents were accused of spying on their rivals.
Use expiar for atonement or a penalty
Expiar with x means to atone for a fault or undergo a penalty. It is more formal and less common in everyday conversation than pagar pelo erro (pay for a mistake) or reparar o dano (make amends).
The word describes facing consequences or making amends, not secretly watching. Check for an idea of guilt, fault, punishment, or atonement before choosing expiar.
Ele tentou expiar a culpa ajudando a comunidade.
He tried to atone for his guilt by helping the community.
A personagem expia os erros do passado.
The character atones for past mistakes.
Ela pediu desculpas e procurou reparar o dano.
She apologized and tried to make amends.
Put it into practice
Espiar is to peek or spy. Expiar is to atone for a fault or undergo a penalty.
Quick practice
Which Portuguese example matches “He tried to atone for his guilt by helping the community”?
Choose an answer to check yourself.
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