1. Indicating the beginning unit in a series
   - first

See also: ordinal

Encyclopedia: 1st 1st, or The Royal Regiment of Foot 1st, or The Royal Scots Regiment

• mother-in-law's tongue
• mother-naked
• mother-of-pearl
• mother-of-pearl cloud
• mother-of-thousands
• mother-to-be
• motherese
• motherfucker
• motherhood
• Mothering Sunday
• motherland
• motherless
• motherlike
• motherliness
• depositor
• depository
• depository financial institution
• depository library
• depot
• depravation
• deprave
• depraved
• depravity
• deprecate
• deprecating