Uncalled for is a phrase that generally describes something that is not appropriate or necessary. There are a number of synonyms that can be used to convey this meaning, depending on the context and tone of the situation. Some possibilities include undeserved, unnecessary, inappropriate, unjustified, unwarranted, impertinent, and superfluous. Each of these words suggests a different angle on why something might be deemed "uncalled for" - for instance, something could be considered impertinent if it shows a lack of respect, or superfluous if it is extra or unnecessary. Choosing the right synonym for "uncalled for" can help articulate your meaning more precisely.