ultra-secret

== French == === Etymology === From ultra- +‎ secret. === Pronunciation === IPA(key): /yl.tʁa.sə.kʁɛ/ === Adjective === ultra-secret (feminine ultra-secrète, masculine plural ultra-secrets, feminine plural ultra-secrètes) top-secret Synonym: top-secret === Further reading === “ultra-secret”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012