Unable and Unadapted

Unable adjective - Lacking qualities (as knowledge, skill, or ability) required to do a job.

Unadapted and unable are semantically related. In some cases you can use "Unadapted" instead an adjective "Unable".

Unadapted adjective - Not having acquired a habit or tolerance.

Unable and unadapted are semantically related. Sometimes you can use "Unable" instead an adjective "Unadapted".