Synonyms of 'out of bounds'
▷ See bounds
forbiddenDictionary, barred, banned
Tibet was now virtually out of bounds to foreign journalists.
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If something is forbidden, you are not allowed to do it or have it.
Smoking was forbidden everywhere.
Thesaurus for out of bounds from the Collins English Thesaurus
If a place is out of bounds , people are not allowed to go there.