Mongrel and Perfunctory

Mongrel adjective - Being offspring produced by parents of different races, breeds, species, or genera.

Perfunctory and mongrel are semantically related. In some cases you can use "Perfunctory" instead an adjective "Mongrel".

Perfunctory adjective - Having or showing a lack of interest or concern.

Mongrel and perfunctory are semantically related. Sometimes you can use "Mongrel" instead an adjective "Perfunctory".