When you want to encourage someone to keep going, there are a number of synonyms you can use depending on the situation. These include "persevere," "persist," "continue," "press on," "keep at it," "never give up," "hang in there," "stay the course," "plod on," and "soldier on." Each of these phrases conveys the idea of pushing forward and not giving up, even when the going gets tough. Whether you're motivating a friend to stick with a challenging project, encouraging a colleague to persevere through a tough work assignment, or simply pushing yourself to keep going through a difficult time, these synonyms can help you inspire and motivate those around you.