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Related-word data is supplemented by the Datamuse API. Datamuse results are suggestions, not automatic replacements.
(computing) An automatic switch to a secondary system on failure of the primary system, such as a means for ensuring high availability of some critical resource (such as a computer system), involving a parallel backup system which is kept running at all times, so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.
Related-word data is supplemented by the Datamuse API. Datamuse results are suggestions, not automatic replacements.