欠 けつ Also written 缺 Meanings Noun lack; deficiency; vacancy absence; non-attendance See also: 欠席 (けっせき). Kanji 欠 lack. Read as ケツ. Words containing 欠 欠席 (けっせき) absence 欠点 (けってん) fault 欠場 (けつじょう) absence And 115 more. Jinuma: Japanese Dictionary · Word lists