- of or relating to a function or functions: functional difficulties in the administration.
- capable of operating or functioning: When will the ventilating system be functional again?
- having or serving a utilitarian purpose; capable of serving the purpose for which it was designed: functional architecture; a chair that is functional as well as decorative.
- Also func·tion·al·is·tic. (of a building or furnishing) constructed or made according to the principles of functionalism or primarily as a direct fulfillment of a material need.
- Medicine/Medical. without a known organic cause or structural change: a functional disorder.Compare organic(def 5).
- pertaining to an algebraic operation: a functional symbol.
- Linguistics. (of linguistic analysis, language teaching, etc.) concerned with the communicative role of language rather than, in addition to, or as the framework for its formal structure.
Origin of functional
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for functional
Essentially he is arguing that there are functional trade-offs in developmental biology.Why Aristotle Deserves A Posthumous Nobel
October 18, 2014
It can lead to all types of cosmetic and functional issues down the road which are difficult if not impossible to reverse.Beware the Designer Vagina
July 25, 2014
The captain tried to say all the cameras were functional except for the one in the cabin where the body was found.The Black Widow of Silicon Valley
July 14, 2014
To be sure, Functional Medicine or related fields like Lifestyle Medicine may not have all the answers.
Mark Hyman, MD, best-selling author, and current chair of the Institute of Functional Medicine, sees it as anything but quackery.
But what proportion is there between the structural alteration and the functional result?
What may be the functional importance of either of these structures we know not.On the Relations of Man to the Lower Animals
Thomas H. Huxley
Hence the functional basis is preferred in all cases in which it can be applied.The Classification of Patents
United States Patent Office
In biology it is more akin to the formal than to the functional attitude.Form and Function
E. S. (Edward Stuart) Russell
(b) Add limits of functional parts: handle, spout, cover, etc.Industrial Arts Design
William H. Varnum
- of, involving, or containing a function or functions
- practical rather than decorative; utilitarianfunctional architecture
- capable of functioning; working
- med affecting a function of an organ without structural change
- relating to the purpose or context of a behaviour
- denoting a psychosis such as schizophrenia assumed not to have a direct organic cause, like deterioration or poisoning of the brainCompare organic psychosis
- maths a function whose domain is a set of functions and whose range is a set of functions or a set of numbers
Word Origin and History for functional
Online Etymology Dictionary, © 2010 Douglas Harper
- Of or relating to a function.
- Affecting the physiological function but not the structure.
- Affecting bodily functions but not organic structure, as a disorder such as irritable bowel syndrome. Compare organic.