Serious

"Serious" in Japanese

本気

honki

(without humor or expression of happiness)

深刻

shinkoku

(important; weighty; not trifling; leaving no room for play)

真剣

shinken

(without humor or expression of happiness)

真剣

shinken

(important; weighty; not trifling; leaving no room for play)

真面目

majime

(without humor or expression of happiness)

真面目

majime

(important; weighty; not trifling; leaving no room for play)

真面目

majime

(really intending what is said; being in earnest)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.