Mr Sollecito's impassive face provided a stark contrast to Miss Knox who broke down in tears in the courtroom.

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Sat in their camping chairs, members of the audience are impassive save for a bouncing foot or a thigh-slapping hand.

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The movie presents itself as a stack of character studies, but the leads are constructed from layers of impassive cool, and the roles for women a shrink, an old flame are comically fleeting.

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Every day, starting in the morning, he roams through the devastated areas of the city with a vacillating mind and an impassive face.

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It feels natural and can be seen as a representation of where phones may and ought to be headed, to a place where they predict and judge your intent using a higher level of intelligence than the usual impassive expectation of conventional input.

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Her hypnotically paced expressive solo, impassive of face and measured of tread and movement, draws the viewer in as if to the eye of a hurricane.

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And the impassive tag is misplaced, for when addressed he does not hide his feelings - beaming and slapping his thigh at a subject he seeks to engage upon, or frowning in irritation at a question he views as based on nonsensical rumor.

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