悪阻 おそ Meanings Noun morning sickness; nausea and vomiting of pregnancy See also: つわり. Kanji 悪 bad. Read as オ. 阻 obstruct. Read as ソ. Words containing 悪阻 妊娠悪阻 (にんしんおそ) hyperemesis gravidarum Word lists Medicine Jinuma: Japanese Dictionary · Word lists