人海 じんかい Meanings Noun sea of people; (very large) crowd of people See also: 人海戦術 (じんかいせんじゅつ). Kanji 人 person. Read as ジン. 海 sea. Read as カイ. Words containing 人海 人海戦術 (じんかいせんじゅつ) human wave attack Jinuma: Japanese Dictionary · Word lists