0 If a criticism, insult, remark, or action is uncalled-for, it is unfair, rude, or unkind and therefore considered to be unnecessary:
an uncalled-for remark
There's no reason to make personal comments - that was completely uncalled-for.
1 not suitable and therefore unnecessary:
uncalled-for rudeness
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.