in- + certain
incertain (comparative more incertain, superlative most incertain)
- 1749, Henry Fielding, The History of Tom Jones, a Foundling
- And again, that as these acquisitions are in themselves generally worthless, so are the means to attain them not only base and infamous, but at best incertain, and always full of danger.
From in- + certain.
incertain (feminine singular incertaine, masculine plural incertains, feminine plural incertaines)
- uncertain; unsure