To yield to the desires and whims of, especially to an excessive degree; humor. To yield to; gratify: indulge a craving for chocolate. To allow (oneself) unrestrained gratification: indulged herself with idle daydreams. See Synonyms at pamper. Roman Catholic Church To grant an ecclesiastical indulgence or dispensation to. To indulge oneself: eyed the desserts but didn't indulge. To engage or take part, especially freely or avidly: indulged in outrageous behavior; indulged in all the latest fads.