Crawling on fours is a motion commonly associated with animals who move on all four limbs. However, there are several synonyms that can be used in place of this phrase. Some alternatives include crawling on hands and knees, shuffling on all fours, scuttling on one's belly, walking on all fours, or even toddling on four limbs. Each of these phrases depicts a different type of movement, with some suggesting speed and agility while others highlight a more awkward attempt at movement. Regardless of which phrase is used, each carries the same basic meaning of an animal or person moving on all four limbs.