An uninhabited house of two storeys stood at the blind end, detached from its neighbours in a square ground The other houses of the street, conscious of decent lives within them, gazed at one another with brown imperturbable faces.
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Show samples from other sources
Silas was imperturbable.
Neil Gaiman -- The Graveyard Book
Out of loudspeakers all around Zollverein, the staccato voice of the Reich grows like some imperturbable tree; its subjects lean toward its branches as if toward the lips of God.