KEY: Let.
SYN: Permit, allow, suffer.
ANT: Prevent, hinder.
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KEY: Let \v.\
SYN: Hinder, [See ABOVE].
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KEY: Lethal, Deadly, mortal, fatal, poisonous, venomous.
ANT: Invigorative, remedial, sanative, wholesome, restorative, vivifying, vital, genial.
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