Hmph is an expression that can convey a range of emotions, from annoyance to indifference to disapproval. If you're looking for synonyms for the word "hmph," there are plenty of options depending on the context in which it's being used. For instance, a huff, a pout, or a snort might all be appropriate synonyms if someone is expressing irritation or impatience. If the use of hmph signals a lack of interest, indifference, or boredom, a shrug, eye roll, or wave of the hand could be suitable alternatives. And if hmph suggests a sense of disapproval or scorn, a sniff, scowl, or sneer might be fitting synonyms.