en un santiamén

== Spanish == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === IPA(key): /en un santjaˈmen/ [ẽn ũn sãn̪.t̪jaˈmẽn] Syllabification: en un san‧tia‧mén === Adverb === en un santiamén (idiomatic) in a jiffy Synonyms: en un periquete, en un pispás, en cero coma, en un decir Jesús === Further reading === “en un santiamén”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025