transitive verb

1. to press between two opposing forces so as to break or injure; put out of shape or condition by pressure; squeeze together; crumple
2. to press, grind, or pound into small particles or into powder
3. to subdue or suppress by or as by force; overwhelm
4. to oppress harshly
5. to extract by pressing or squeezing

Etymology: ME crushen < OFr croisir, to gnash (teeth), crash, break < Frank *krostjan, to gnash; akin to OSwed krysta, Goth kriustan

intransitive verb

1. to be or become crushed
2. to press forward; crowd (into, against, etc.)

noun

1. a crushing; severe pressure
2. a crowded mass, esp. of people
3. ☆ Informal an infatuation I had a crush on her