1. Godan verb with 'ru' ending, Intransitive verb

   to fit; to get into; to go into; to be fitted with (e.g. door with a window)

   Usually written using kana alone

   車がぬかるみにはまって動けなくなった。

2. to be fit for (a job, etc.); to be suited for; to satisfy (conditions)

   Usually written using kana alone

3. to fall into; to plunge into; to get stuck; to get caught

   Usually written using kana alone

4. to be deceived; to be taken in; to fall into a trap

   Usually written using kana alone

5. to get addicted to; to get deep into; to become crazy about; to become stuck on

   Usually written using kana alone

Also written 填まる【はまる】hamaru、塡まる【はまる】hamaru、嵌る【はまる】hamaru