Words similar to unknowns

Example sentences for: unknowns

How can you use “unknowns” in a sentence? Here are some example sentences to help you improve your vocabulary:

Specifically, knowledge that a product's design is stable early in the program facilitates informed decisions about whether to significantly increase investments and reduces the risk of costly design changes that can result from unknowns after initial manufacturing begins.
. The protease inhibitors are one of Kamoun's ‘unknown unknowns’.
leav[es] the heart unengaged" (Frank Scheck, the Hollywood Reporter ). The litany of problems starts with basics like the acting and dancing: Its cast of unknowns "is jarringly unbalanced," and "as a dance show, it has two left feet" (Brantley).
We are in an era of great unknowns."
Critics credit the teen actors (Elijah Wood and some unknowns) and the adult faculty (Famke Janssen, Bebe Neuwirth, and others) with solid performances.