Un-accustoms refers to the act of breaking a habit or familiarizing oneself with a new or unfamiliar situation. There are a number of synonyms for the word, including disaccustom, familiarize, readjust, and reorient. Disaccustom implies the breaking of a habit or familiarization with a new or unfamiliar situation. Familiarize refers to the process of making oneself comfortable in a new or unfamiliar environment. Readjust is another synonym for un-accustoms, referring to the process of making changes and adaptations to existing habits or familiar situations. Reorient, on the other hand, refers to the process of changing the direction or focus of one's attention or perspective. All of these terms can be used interchangeably with un-accustoms depending on the context and intended meaning.