SYN: Profitable, salutary, advantageous, wholesome, salubrious.
ANT: Prejudicial, noxious, hurtful, unprofitable, detrimental.
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KEY: Beneficent.
SYN: Bountiful, benevolent, benignant.
ANT: Hard, uncommiserating, griping, unbeneficent, illiberal, oppressive, cruel.
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KEY: Benefit.
SYN: Boon, behoof, service, utility, avail, use, good, advantage, profit, favor, blessing.
ANT: Evil, loss, disadvantage, detriment, damage, calamity, bereavement, injury, privation.