Ill-defined and Off-base

Ill-defined adjective - Poorly stated or described.

Off-base and ill-defined are semantically related. In some cases you can use "Off-base" instead an adjective phrase "Ill-defined".

Off-base adjective - Located outside a military base.

Ill-defined and off-base are semantically related. Sometimes you can use "Ill-defined" instead an adjective phrase "Off-base".