1. Coming next after the third and just before the fifth in position or time or degree or magnitude
   - fourth, quaternary

See also: ordinal

Encyclopedia: 4th

• athletic field
• athletic game
• athletic sock
• athletic supporter
• clean out
• clean room
• clean slate
• clean-burning
• clean-cut
• clean-handed
• clean-limbed
• clean-living
• clean-shaven
• cleanable
• cleaner
• cleaners
• cleaning
• cleaning device
• cleaning equipment
• cleaning implement
• cleaning lady
• cleaning pad
• cleaning woman
• Anglo-Irish
• Anglo-Jewish