Words similar to unclear

Example sentences for: unclear

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

The precise function of the C-terminus that directs BLM to the nucleolus is still unclear.
It therefore remains unclear what supports the many afferents in the apex of the Brn3c null mutants until 6 months of age or longer, unknown peripheral neurotrophic substances or neurotrophic support provided by the CNS.
It is unclear if a decision had been made at this point on where to bring Bin Ladin.
Under the present experimental conditions, it is unclear whether the natural ligand, TNFα, touches the hotspot responsible for cytotoxicity although one can speculate that, if it does, the cytotoxic effect might be nullified by the sum of the natural ligand:receptor interactions.
Thus, it is unclear whether the attendees met face-to-face at the White House or held their meeting remotely via SVTS.