When it comes to describing a tough or arduous task, the word "slogged" may come to mind. However, there are many synonyms that can be used to convey a similar meaning. Some of the options include "trudge," "plod," "struggle," "labour," and "persevere." These words all suggest a sense of effort and persistence while working through a challenge. Other synonyms for "slogged" might include "toiled," "drudged," "grinded," or "endured." Ultimately, the choice of synonym may depend on the context of the situation and the tone that the writer or speaker is aiming to convey.