semistatic

Semistatic is an adjective used in several disciplines to describe systems or objects that are not fully static but also not fully dynamic. In such contexts, parts of a system are fixed or slowly changing, while other parts change more readily, yielding a mix of stability and adaptability.

In programming and software engineering, semistatic describes approaches that lie between fully static typing and fully dynamic typing. Semistatic typing or analysis combines compile-time checks with runtime checks, enabling gradual migration from dynamic to static typing and allowing some type information to be inferred or enforced at compile time while permitting flexibility at runtime.

In web development, semistatic or semi-static architectures refer to sites that are largely pre-rendered as static content but incorporate dynamic behavior through client-side scripts or server-generated content on demand. This hybrid model aims to deliver fast, cacheable pages while supporting personalization or up-to-date data.

In physics and engineering, semistatic is sometimes used informally to describe processes that are close to static (quasi-static) but include small dynamic effects, or to describe data or systems that are largely invariant with infrequent changes. Because the term is not standardized, its precise meaning depends on context.