godan verb (-mu), transitive verb
push into; stuff into; pack into
Transitive: physically forcing something into a container or space, often with a sense of cramming or filling tightly.
彼はスーツケースに服を入れ込んだ。
He stuffed clothes into the suitcase.
本棚に本をぎゅうぎゅうに入
I cram books tightly into the bookshelf.
godan verb (-mu), intransitive verb
be enthusiastic about; be crazy about; get excited
Intransitive: becoming deeply absorbed or emotionally invested in something; often used with に to mark the object of enthusiasm. Sense 3 (get excited) is a natural extension of this absorption.
彼女は最近、ヨガに入れ込んでいる。
She's been really into yoga lately.
試合が始まると、観客は一気に入れ込んだ。
When the match started, the crowd got excited all at once.