ちゅうせい 忠誠 Common word Wanikani level 41 Play audio Show 1 collocation 忠誠を誓う - to pledge allegiance LinksSentence search for 忠誠Sentence search for ちゅうせいKanji details for 忠 and 誠Edit in JMdict Na-adjective (keiyodoshi), Noun1. loyalty; sincerity; allegiance; fidelity; integrity Discussions Log in to talk about this word.