1. The ordinal number of thirty-eight in counting order
   - thirty-eighth

See also: ordinal

• obelisk
• obelize
• obelus
• Oberon
• Oberson
• obese
• obesity
• obesity diet
• obey
• obfuscate
• obfuscation
• obfuscatory
• obi
• obidoxime chloride
• obiism
• obit
• obiter
• obiter dictum
• obituary
• object
• object ball
• object code
• object glass
• object language
• object lens