Tidied up is a phrase used to describe the act of organizing or cleaning a space or object. The antonyms for the phrase, which mean the opposite of tidying up, include disorganized, messy, cluttered, untidy, unkempt, chaotic, and haphazard. These words signify a state of disorder, lack of arrangement or neatness, and confusion. A space that is not tidied up can be difficult to navigate, stressful, and may even lead to accidents. It is important to keep your surroundings tidy for your peace of mind, productivity, and overall well-being. Therefore, it is advisable to practice tidying up, using the antonyms as a reminder of what to avoid.