unclear

adj

1. Ambiguous; liable to more than one interpretation.

   “The remark she made comparing her life with that of a fish was unclear.”

2. Not clearly or explicitly defined.
3. Not easy to see or read; indecipherable or unreadable.

   “From such a long distance away, the name on the signpost was unclear.”

4. Not having a clear idea; uncertain.

   “I'm still unclear about what she meant by that remark.”

verb

1. (rare, transitive)To undo the process of clearing.

   “Clearing, unclearing and deleting activities”

   “[…] finally [the block] would be cleared and remain that way until moved. Although this clearing and unclearing can occur repeatedly, the current BAGGER algorithm is unable to generalize number within unwindable subproofs.”