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ephemeron, ephemeral | anything short-lived, as an insect that lives only for a day in its winged form | |
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perishable, ephemeral, shortlived | liable to perish; subject to destruction or death or decay | |
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momentary, fleeting, fugitive, momentaneous, ephemeral | lasting for a markedly brief time | |
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passing, short-lived, ephemeral, transient, transitory, fugacious | lasting a very short time |