謙虚【けんきょ】
modest, humble
虚構【きょこう】
fiction, fabrication, concoction
虚無【きょむ】
nihility, nothingness
空虚【くうきょ】
emptiness, hollowness, vacancy, void, inanity, pointlessness, meaninglessness
虚偽【きょぎ】
falsehood, untruth, lie, misinformation, fallacy (logic)
虚弱【きょじゃく】
feebleness, weakness, imbecility
虚心【きょしん】
open-minded, receptive, free from preconceived ideas
虚空【こくう】
empty space, empty sky
虚栄【きょえい】
vanity, vainglory
虚像【きょぞう】
virtual image, false image, pretense, pretence
虚脱【きょだつ】
lethargy, despondency, mental numbness, (physical) collapse, prostration
虚実【きょじつ】
falsehood and truth, fiction and fact
虚々実々【きょきょじつじつ】
full of wiles and tricks, match between persons equal in shrewdness mobilizing all the tricks each can muster, shrewdly avoiding the opponent's strong points and attacking its weaknesses
虚飾【きょしょく】
ostentation, show, affectation
虚礼【きょれい】
empty (useless) formalities
虚言【きょげん】
falsehood, lie