What does the word uncertain mean?

Usage examples for uncertain

  1. Her step was no longer uncertain, but firm and decided. – The Brass Bound Box by Evelyn Raymond
  2. It is too uncertain. – The Captain of the Gray-Horse Troop by Hamlin Garland
  3. But my plans are so uncertain that there is no knowing when he would see France again. – Calvert of Strathore by Carter Goodloe
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