Serious
Grave
noun, な adjective
しんこく
本気 (ほんき) Serious, Seriousness
大変 (たいへん) Serious, Terrible, Very, Difficult, Hard, Hectic
深刻 (しんこく) Serious, Grave
真剣 (しんけん) Serious
真面目 (まじめ、not on WK) Serious, Honest, Sober, Grave, Earnest, Steady
厳粛 (げんしゅく) Gravity, Solemnity, Severity, Seriousness
荘厳 (そうごん) Solemnity, Gravity
None