1. Severe or strict in appearance, manner, or attitude; lacking luxury or ornamentation
The austere monastery had bare stone walls and simple furnishings.
O mosteiro austero tinha paredes de pedra nua e móveis simples.
2. Stern or serious in demeanor; giving an impression of cold seriousness
His austere expression made it difficult to approach him.
Sua expressão austera dificultava aproximar-se dele.
3. Economical or frugal; practicing self-denial
They lived an austere lifestyle, avoiding all unnecessary expenses.
Eles viviam um estilo de vida austero, evitando todas as despesas desnecessárias.