1. An unmarried woman.

2. A woman whose occupation is to spin; the title by which an unmarried woman is designated.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• spincster,
• seminster,
• spinter,
• sponser,
• sponsper,
• sponsoer,
• spinters,
• sisnster,
• sinster,
• spinder,
• sphinster,
• sinester,
• synster,
• spnser,
• spincter,
• sinsiter,
• pinster,
• spicatee,
• spindler,
• spinstere

• spencer,
• Spangler,
• spinmeister,
• spanker,
• sphincter,
• Spence,
• spaying,
• spanos,
• spengler,
• Spanish Tea,
• spangle,
• spun sugar,
• sponsor,
• spanish,
• sponge,
• Sponsler,
• spinnaker,
• spinosa,
• spymaster,
• spenser,
• spinose,
• spinks,
• spinus,
• spinous,
• sponger.

The adjective form of the word "spinster" is "spinsterish".

The plural of the "spinster" can be the "spinsters".

The singular of the "spinster" can be the "spinster".