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KEY: Impassible.

SYN: Immaterial, immortal.

ANT: Passible, mortal.

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KEY: Impassioned.

SYN: Excited, fervid, passionate, glowing, vehement, impetuous, spirited.

ANT: Unimpassioned, cool, impassive.

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KEY: Impassive, [See IMPASSIONED].