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

• nonspecific urethritis
• nonspecifically
• nonspherical
• nonstandard
• nonstarter
• nonsteroid
• nonsteroidal
• nonsteroidal anti-inflammatory
• nonsteroidal anti-inflammatory drug
• nonstick
• nonstop
• nonstop flight
• nonstructural
• nonsubjective
• nonsubmergible
• nonsubmersible
• nonsuch
• nonsuit
• nonsuppurative
• nonsurgical
• nonsweet
• nonsyllabic
• nonsymbiotic
• nonsynchronous
• nonsynthetic