When something has been "checked out," it means that it has been examined or looked into. This phrase is commonly used in various situations such as library books being borrowed, hotel rooms being occupied, or individuals being assessed by healthcare professionals. However, sometimes using the same phrase repeatedly can become monotonous. Hence, it is always useful to expand one's vocabulary by knowing synonyms for this phrase. Some synonyms for "checked out" can include inspected, reviewed, examined, vetted, scrutinized, monitored, surveyed, appraised, and evaluated. Using synonyms can help to keep communication varied and interesting, and can also help to avoid repetition.