Presumed without analysis.
Self-evident, intuitively obvious.
Based on hypothesis and theory rather than experiment or empirical evidence.
Developed entirely from scratch, without deriving it from existing languages.
In a way based on theoretical deduction rather than empirical observation.
Not having a clear idea; uncertain.
Not easy to see or read; indecipherable or unreadable.
Ambiguous; liable to more than one interpretation.
Not clearly or explicitly defined.
To undo the process of clearing.