1. Ill-mannered and coarse and contemptible in behaviour or appearance
   "the loutish manners of a bully"
   - boorish, neanderthal, neandertal, oafish, swinish

See also: unrefined

• riverbank
• riverbed
• riverfront
• riverine
• riverside
• rivet
• rivet line
• riveter
• riveting
• riveting machine
• rivetter
• Riviera
• Rivina
• Rivina humilis
• rivulet
• rivulus
• Riyadh
• riyal
• riyal-omani
• rms
• Rn
• RNA
• RNA polymerase
• RNase
• RNIB