Mulled/mʌld/ Definition 1 of 3Pro Tip 1/3Deep Consideration Use 'mulled' when expressing thoughtful contemplation before making a choice. He mulled which college to attend. Pro Tip 2/3Extended Time 'Mulled' indicates taking a significant amount of time to think, not just a quick decision. She mulled over her career change for months. Pro Tip 3/3Reflection Needed Use 'mulled' for situations requiring reflection, not for casual or everyday decisions. They mulled over implications of the new business strategy.