A ban is a formal or informal prohibition of something. Bans are formed for the prohibition of activities within a certain political territory. Some bans in commerce are referred to as embargoes. Ban is also used as a verb similar in meaning to "to prohibit".

Etymology

In current English usage, ban is mostly synonymous with prohibition. Historically, Old English (ge)bann is a derivation from the verb bannan "to summon, command, proclaim" from an earlier

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