functional has definitions from the field of pathology
1
[ adjective ] designed for or capable of a particular function or use

Examples

"a style of writing in which every word is functional" "functional architecture"

Used in print

(Richard F. McLaughlin, et al., "A study of the...)

In_other_words , the anastomoses between the bronchial_artery and pulmonary_artery should be considered as functional or demand shunts .

(E. Gellhorn, "Prolegomena to a theory of the emotions"...)

He showed convincingly that anxiety is a learned ( conditioned_)_reaction and is the basis of experimental and clinical neuroses and assumed , therefore , that the neuronal changes which underlie the neuroses are functional and reversible .

Furthermore , a functional antagonism exists between an aggressive attitude and a state of anxiety .

2
[ adjective ] (pathology) involving or affecting function rather than physiology

Examples

"functional deafness"

Used in print

(The Times-Picayune, [New Orleans]...)

There are many possibilities , including poor circulation , a variety of neurological conditions , and functional disorders .

Related terms

organic pathology

3
[ adjective ] designed for or adapted to a function or use

Examples

"functional education selects knowledge that is concrete and usable rather than abstract and theoretical" "functional architecture"

Related terms

practical

4
[ adjective ] fit or ready for use or service

Examples

"the toaster was still functional even after being dropped" "the lawnmower is a bit rusty but still usable" "an operational aircraft" "the dishwasher is now in working order"

Related terms

serviceable

5
[ adjective ] relating to or based on function especially as opposed to structure

Examples

"the problem now is not a constitutional one it is a functional one" "delegates elected on a functional rather than a geographical basis"

Related terms

function

6
[ adjective ] (of e.g. a machine) performing or capable of performing

Examples

"in running (or working) order" "a functional set of brakes"

Related terms

functioning

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