Final answer:
The term otaku lacks a single, authoritative definition because it varies by cultural, generational, and geographical contexts. Definitions can fluctuate within different societies and even within subcultures like cosplayers, illustrating the complexity of sociocultural dynamics.
Step-by-step explanation:
The term otaku has varied interpretations that are influenced by cultural, generational, and geographical contexts. In considering the Japanese definition of otaku versus the American definition of otaku, it is important to recognize that neither has a single, authoritative definition. Every term has generational, cultural and geographical specificities, and as such, definitions can be fluid and subject to interpretation within different societies and subcultures.
Furthermore, just as there are no absolute answers about deviance in sociology, the perception of being an otaku can differ widely among different groups. What is considered a devoted fan in one community might be seen as excessive or unusual in another. This aligns with the understanding that cultural norms and values are not static but evolve over time.
Lastly, it's important to consider subcultures, such as cosplayers who form distinct groups within a larger culture, each with their own unique sets of norms and standards. The concept of otaku is deeply tied to how cultures and subcultures define and perceive passion and fandom, often reflecting deeper sociocultural dynamics.