Not forgivable and Uncalled-for

Uncalled-for and not forgivable are semantically related. In some cases you can use "Uncalled-for" instead an adjective phrase "Not forgivable".

Uncalled-for adjective - Not needed by the circumstances or to accomplish an end.

Not forgivable and uncalled-for are semantically related. Sometimes you can use "Not forgivable" instead an adjective phrase "Uncalled-for".