いやいやき イヤイヤ期 LinksSentence search for イヤイヤ期Sentence search for いやいやきSentence search for いやいや期Sentence search for 嫌々期Sentence search for 嫌嫌期Kanji details for 期Edit in JMdict Noun1. terrible twos (developmental stage in toddlers)ColloquialOther formsいやいや期 【いやいやき】、嫌々期 【いやいやき】、嫌嫌期 【いやいやき】 Discussions Log in to talk about this word.