Which adjective best describes Agile development?

The adjective that best describes Agile development is indeed all-encompassing because Agile embodies a blend of adaptability, collaboration, and iterative processes.

Agile development is fundamentally adaptive, designed to respond well to changes in requirements and market conditions. This adaptability enables teams to pivot and make adjustments throughout the development process, ensuring that the final product aligns closely with user needs and business objectives.

Collaboration is another core component of Agile. The methodology relies heavily on teamwork, where cross-functional teams work closely together, sharing knowledge and expertise to foster a more inclusive and engaging development environment. This collaboration not only enhances communication but also promotes a collective ownership of the work, which is fundamental to delivering high-quality outcomes.

Moreover, Agile is inherently iterative. This means that the development process is cyclical, with repeated cycles of designing, developing, testing, and reviewing. This iterative nature allows teams to continuously refine their product and processes, incorporating feedback after each iteration to improve and meet evolving requirements effectively.

Since Agile development integrates all these facets—adaptability, collaboration, and iteration—it's reasonable to conclude that "all of the above" accurately encapsulates the essential characteristics of Agile.