seriocomical se·rio·co·mical UK/ˌsɪəɹiəʊˈkɒmɪkəl/ uncommon adjective 1. having a mixture of serious with the comic with comic predominating “a seriocomic novel” Synonymsseriocomic Similarhumorous WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved.