こお 凍る Common word JLPT N3 Wanikani level 28 Play audio Show inflections LinksSentence search for 凍るSentence search for こおるSentence search for 氷るKanji details for 凍Edit in JMdict Godan verb with ru ending, Intransitive verb1. to freeze; to become frozen; to freeze overOther forms氷る 【こおる】Notes氷る: Rarely-used kanji form. Discussions Log in to talk about this word.