KEY: Marriage.
SYN: Nuptials, matrimony, espousals, wedding, wedlock.
ANT: Celibacy, virginity.
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KEY: Marrow.
SYN: Pith, gist, substance, essence, life, cream, kernel.
ANT: Surplusage, redundancy, excrescence, superfluity, clothing, dressing, amplification, volume, mass, body.
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KEY: Marsh.
SYN: Swamp, fen, quagmire, bog, slough, morass.