はいはい Also written ハイハイ, 這い這い Meanings Noun, する verb, Intransitive crawling (of a baby) Example sentences その赤ちゃんははいはいをはじめた。The baby began to crawl. 赤ちゃんは歩くまで、はいはいをします。Babies crawl before they walk. Word lists Children's language Spoken Jinuma: Japanese Dictionary · Word lists