The phrase "full hands" typically refers to having a lot to carry or manage. There are several synonyms that can be used to convey this meaning, such as "heavy load," "packed schedule," or "busy hands." Other options include "juggling tasks," "overwhelmed," "swamped," or "multitasking." Depending on the context, "full hands" can also be replaced with "ample responsibilities," "burdened," "committed," or "engaged." Regardless of which synonym is used, the phrase carries a sense of being occupied with numerous tasks or obligations, and can be applied to everything from work responsibilities to household chores.