noun which may take the genitive case particle 'no', noun
extremely crowded; packed
Colloquial noun/adjectival noun used to describe places or situations that are extremely crowded, often with a sense of frustration or exaggeration. Commonly used in casual speech and online posts.
The amusement park was extremely crowded on the weekend.
The train at this hour is always packed.
Most common spelling; 混み is the standard kanji for 'crowded' in this compound.
Alternate spelling using 込, which is also used in 混雑 and related words.
Compound of 激 (げき, 'intense') and 混み (こみ, noun form of 混む 'to be crowded'). A relatively modern colloquial formation.