unterirdisch

== German == === Etymology === From unter- +‎ irdisch. === Pronunciation === IPA(key): /ˈʊntɐˌʔɪʁdɪʃ/ === Adjective === unterirdisch (strong nominative masculine singular unterirdischer, not comparable) underground, subterranean Antonym: überirdisch (figuratively, informal) abysmal (extremely bad; terrible) Synonyms: unter aller Sau, grottenschlecht ==== Declension ==== === Further reading === “unterirdisch” in Duden online “unterirdisch” in Digitales Wörterbuch der deutschen Sprache