prior Prionus • prioracy · · · Info · Definitions · Synonyms · Characters · · prior · · Text Latin · · Script 5 · · Length Definitions · · · (noun) the head of a religious order; in an abbey the prior is next below the abbot. · · Noun Definition 1 (adj) earlier in time. Synonyms: anterior, prior(prenominal). · · Adjective Definition 1 Synonyms · · · anterior · · Synonym 1 Characters · · i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072