Multiple Reasons Why You Should Put Your Cart Back And Not Be LazyFirst of all, “laziness” is not a formal clinical term in the field of psychology (or medicine). You can’t get a diagnosis of laziness. However, some psychologists have attempted to define laziness as it is used in popular culture. According to a study published in 2018 in the journal Human Arenas, laziness can be regarded as a failure to act or perform as expected due to conscious, controllable factors — namely a lack of individual effort.