sac·ro·sanct (sāk'rō-sāngkt') adj. Regarded as sacred and inviolable.
[Latin sacrōsānctus, consecrated with religious ceremonies : sacrō, ablative of sacrum, religious rite (from neuter of sacer, sacred; see sacred) + sānctus, past participle of sancīre, to consecrate; see sak- in Indo-European roots.] sac'ro·sanc'ti·ty (-sāngk'tĭ-tē) n.