Level IV of XX on the frequency path
Frequency rank 431 / 2,608
Frequent enough that you will keep running into it once you read past headlines.
More common than 写 (Copy), less common than 省 (Conserve).
The jammed in kanji looks like a person squeezed between two angled lines — someone literally jammed in a tight space, arms pinned.
介 is rank 431 of 2,608 in published Japanese.
Study 介 →