What does 込む mean?
込む is a Japanese verb meaning “to be crowded” in English. It can also be translated as “to go into, to become (completely), to do thoroughly” depending on context. It is written as 込む in kanji, こむ in hiragana, and komu in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
今晩は列車がとても込んでいる。
The train is very crowded this evening.