Both seem to mean with the support or protection of. Are they interchangeable? Mostly interchangeable? Is there a difference in connotation?


For the most part these are synonyms, although I think auspices carries less a connotation of protection and more of patronage or sponsorship, while aegis has the opposite feeling. WikiDiff and similar sites are a good resource for exploring this sort of subtlety.

  • I would agree with that. For me X is doing Y under the auspices of Z while A is doing B under the aegis of C suggests that X is taking fewer risks than A and, therefore, needs less protection, either physical or otherwise. However the difference is quite subtle. – BoldBen Jan 10 at 0:40

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