よこく 予告 Common word Wanikani level 18 Play audio LinksSentence search for 予告Sentence search for よこくKanji details for 予 and 告Edit in JMdict Noun, Suru verb, Transitive verb1. (advance) notice; preliminary announcement; warningNoun2. trailer (for a film, TV show, etc.)Abbreviation, See also 予告編 Discussions Log in to talk about this word.