1. Closely or densely packed together
   "compacted snow"

1. Bring together or compress
   "They compacted the soil before laying the foundation";
   - compress, constrict, squeeze, contract, press
    
2. Make more compact by or as if by pressing
   "compact the data";
   - compress, pack together
    
3. Compress into a wad
   "compact paper into the box";
   - pack, bundle, wad
    
4. Have the property of being packable or of compacting easily
   "This powder compacts easily";
   - pack

Type of: arrange, be, force, sardine [informal], set up, squash, squeeze, tighten, wedge

Antonym: decompress

Encyclopedia: Compact