The term "loobyish" is not one that is commonly used in everyday language. However, there are a few synonyms that can be used to convey a similar meaning. One such word is "clumsy", which can describe someone who is awkward, uncoordinated, or lacking in grace. Another possible synonym is "awkward", which can mean ungainly or ungraceful in movement or manner. A third option might be "bumbling", which suggests someone who is inept or awkward in their actions or speech. Other words that might be used as synonyms for loobyish include "clumsy-fisted", "doltish", or "gauche". Regardless of the specific word chosen, all of these terms can be used to describe someone who is lacking in physical or social grace.