ill-defined

Definitions

1. Poorly defined; blurry, out of focus; lacking a clear boundary.
2. Defined in an inconsistent way.

Examples

“An ill-defined dislike, a little like⟳ jealousy, arose in Henrietta's mind⟳; a little, however, mitigated by observing that the gentleman instantly caught sight of herself; and that, when not absolutely forced to look⟳ at his companion, he looked towards her.”

“Are you sick, or ill-defined? / Are you lost, or are you just difficult to come⟳ by?”

CEFR level