KEY: Plastic.
SYN: Ductile, pliant, yielding, malleable, tractile, flexible.
ANT: Stubborn, unyielding, inert, unmalleable, inflexible, intractile.
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KEY: Platitude.
SYN: Commonplace, generality, truism, triviality.
ANT: Sophism, laconism, enigma, dictum, oracle.
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KEY: Platonic.
SYN: Cold, intellectual, unsensual, mental, philosophical.