Meaning

2 senses
  1. (US)A retailer that offers a wider selection of merchandise in a category than existing retailers, at lower prices, thereby gaining substantial share of the market and "killing" the existing retailers.

  2. A speedrun so fast that beating it is considered unattainable, thereby "killing" the category it became the record for.

Forms

plural: category killers
Singularcategory killer
Pluralcategory killers

regular

See also

neighbours in the dictionary
category killer — meaning, examples, forms, synonyms | Krumeto