denuclearization

world peace

world

North Korea (a country in East Asia)

subject / homework exercise / task, problem

importance, consequence, significance

important, significant

peaceful / calm

a female given name / a place name

(mahjong) no points hand: a 役 (yaku, “winning hand”) that does not have any of the following: triplets, quads, the player's seat wind, the prevailing wind, or dragons; and the winning tile completes a two-sided wait sequence; worth 1 翻 (han, “double”)