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KEY: Ephemeral.
SYN: Transient, evanescent, fleeting, fugacious, fugitive, momentary.
ANT: Abiding, persistent, permanent, perpetual, eternal, perennial, immortal.
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KEY: Epigrammatic.
SYN: Pointed, terse, graphic, concise, laconic.
ANT: Diffuse, circumlocutory, pointless.
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KEY: Epitome, [See ABBREVIATION].