Noah Webster
Uncertain
UNCER'TAIN, adjective
1. Not certain; doubtful; not certainly known. it is uncertain who will be the next president.
2. Doubtful; not having certain knowledge.
man without the protection of a superior Being - is uncertain of every thing that he hopes for.
3. Not sure in the consequence.
Or whistling slings dismiss'd the uncertain stone.
4. Not sure; not exact.
Soon bent his bow, uncertain in his aim.
5. Unsettled; irregular.