ANT: dispensableness, uncertainty, superfluity, uselessness, competence, affluence, casualty, contingency, freedom, choice.
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KEY: Need, [See NECESSITY].
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KEY: Needful, [See AMBIGUOUS].
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KEY: Needless.
SYN: Unnecessary, useless, superfluous, gratuitous.
ANT: Needful, useful, helpful, obligatory.
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