The phrase "arrange loosely" can be expressed in a variety of ways to convey the same meaning. Some synonyms for this phrase include "haphazardly place," "scatter," "dump," "jumble," "clutter," "toss," "disorganize," "muddle," and "shuffle." Depending on the context and tone of the situation, different synonyms may be more appropriate. For instance, "haphazardly place" may imply a lack of care or intention, while "shuffle" may suggest a casual or playful arrangement. Regardless, these synonyms allow for a more nuanced way of describing the act of arranging something in an informal manner.