Definition of sub rosa in English:

sub rosa

adverb & adjective

  • Happening or done in secret.

    [as adverb] ‘the committee operates sub rosa’
    [as adjective] ‘sub rosa inspections’
    in secret, secretly, in private, privately, in confidence, confidentially, behind closed doors, surreptitiously, discreetly, furtively, clandestinely, on the quiet, on the sly, unofficially, off the record, between ourselves
    View synonyms


Latin, literally under the rose, as an emblem of secrecy.


sub rosa

/sʌb ˈrəʊzə/