Laxity refers to the quality or state of being loose or relaxed. It can also mean the lack of strictness or discipline. When searching for alternative words, looseness, negligence, inexactness, slackness, carelessness, and indolence are some synonyms that come to mind. Other words that can be used to replace the term laxity are inattention, lack of rigor, remissness, lenience, slackening, and relaxation. Depending on the context, other could include indifference, omission, listlessness, and lethargy. Essentially, any word that conveys a sense of looseness or indifference in a given situation can be considered a synonym for the word laxity.