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[sak-roh-sangkt] /ˈsæk roʊˌsæŋkt/
extremely sacred or inviolable:
a sacrosanct chamber in the temple.
not to be entered or trespassed upon:
She considered her home office sacrosanct.
above or beyond criticism, change, or interference:
a manuscript deemed sacrosanct.
Origin of sacrosanct
First recorded in 1595-1605, sacrosanct is from the Latin word sacrō sānctus made holy by sacred rite. See sacred, saint
Related forms
sacrosanctity, sacrosanctness, noun
Can be confused
religious, sacrilegious, sacrosanct.
sacred, sacrosanct. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for sacrosanct


very sacred or holy; inviolable
Derived Forms
sacrosanctity, sacrosanctness, noun
Word Origin
C17: from Latin sacrōsanctus made holy by sacred rite, from sacrō by sacred rite, from sacer holy + sanctus, from sancīre to hallow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sacrosanct

"superlatively sacred or inviolable," c.1600, from Latin sacrosanctus "protected by religious sanction, consecrated with religious ceremonies," from sacro, ablative of sacrum "religious sanction" (from neuter singular of sacer "sacred") + sanctus, past participle of sancire "make sacred" (for both, see sacred). Earlier in partially anglicized form sacro-seint (c.1500).

Online Etymology Dictionary, © 2010 Douglas Harper
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