Definitions from Wiktionary (functional)

▸ adjective:  In good working order.
▸ adjective:  Useful; serving a purpose, fulfilling a function.
▸ adjective:  Only for functional purposes, notably in architecture.
▸ adjective:  Of or relating to one's role or office; official.
▸ adjective:  (mathematics) Of or relating to a function or functions.
▸ adjective:  (computing theory) Having semantics defined purely in terms of mathematical functions, without side-effects.
▸ adjective:  (medicine) Of a disease, such that its symptoms cannot be referred to any appreciable lesion or change of structure; opposed to organic disease, in which the organ itself is affected.
▸ noun:  (mathematics) A function that takes a function as its argument; more precisely, a function whose argument varies in a space of (real or complex valued) functions and whose value belongs to a monodimensional space.
▸ noun:  (mathematics, functional analysis) A scalar-valued linear function on a vector space.
▸ noun:  (computing) An object encapsulating a function pointer (or equivalent).
▸ Also see functional

---

▸ Words similar to functionals
▸ Usage examples for functionals

▸ Idioms related to functionals
▸ Wikipedia articles (New!)
▸ Popular adjectives describing functionals
▸ Popular nouns described by functionals
▸ Words that often appear near functionals
▸ Rhymes of functionals

▸ Invented words related to functionals