Front burner is a figurative expression used to describe a focus on immediate or urgent matters. However, if you want to add some variety to your vocabulary, consider using one of the many synonyms for this expression. Some great options include hot item, top priority, primary concern, main focus, critical task, pressing issue, and urgent matter. These expressions are all effective for conveying the idea of putting something at the forefront of your attention. You can use these synonyms in a variety of settings, from work meetings to family conversations, to emphasize the importance of a specific task or issue.