Mankey is a slang term used to describe something that is clumsy, messy, or disorganized. Other synonyms for mankey include scruffy, unkempt, shabby, and untidy. These words can be used to describe anything from a messy room to a disheveled appearance. Additionally, the words frowzy, slovenly, and dingy can also be used interchangeably with mankey. When describing a person, the terms scruffy or unkempt can be used to suggest a lack of effort in grooming or personal hygiene. Overall, there are a variety of synonyms that can be used to convey mankey and its various nuances.