SYN: Series, gradation, rate.
ANT: Inversion, diminution.
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KEY: Prohibit.
SYN: Forbid, interdict, debar, hinder, check, prevent, disallow, inhibit.
ANT: Permit, grant, allow, sanction.
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KEY: Prohibition.
SYN: Interdiction, inhibition, interdict, embargo, disallowance.
ANT: Allowance, permission.