Being in a slump refers to a mental or emotional state of feeling stuck, unable to progress or unable to perform at a usual level. Here are some synonyms for the phrase "in a slump": in a funk, stuck in a rut, down in the dumps, in a lull, in a plateau, in a dry spell, experiencing a downturn, feeling demotivated, lacking inspiration, off one's game, in a trough, in a depression, feeling unproductive, experiencing a dip. Whether you're feeling low in motivation, creative energy, or productivity levels, these synonyms can help you describe your situation accurately and seek ways to overcome your slump.