Basic Meaning
The verb 入る (はいる) primarily means "to enter" a place or space. It is used when someone physically goes inside a room, building, or area.
Extended Meanings
入る also means "to contain" or "to hold," referring to something being inside a container or space. For example, a box can 入る many items.
Common Usage Patterns
- 入る + に/へ: to enter a place (e.g., 部屋に入る)
- 入る + ために: to join or become part of a group or organization (e.g., クラブに入るために)
Register and Politeness
入る is a common, neutral verb used in everyday conversation. It can be combined with polite forms like 入ります.
Common Learner Mistake
Learners sometimes confuse 入る (to enter) with 入れる (to put in). Remember 入る is intransitive (the subject enters), while 入れる is transitive (someone puts something in).