malfunctioning
UK[ˌmælˈfʌŋkʃənɪŋ]US[ˌmælˈfʌŋkʃənɪŋ]
adj
not operating normally or correctly
v
(present participle) to fail to function or work in the normal or correct manner
Morpheme Breakdown
mal
function
ing
mal
bad
function
work
ing
adjective/participle suffix
Etymology
the word 'malfunctioning' is built upon the core latin-derived noun 'function', which originates from fungi, meaning to perform or execute a duty. the prefix 'mal-', from latin malus (bad, ill), is attached to negate or corrupt this core meaning, creating the sense of a 'bad performance'. the suffix '-ing' is added to form the present participle, which can function adjectivally to describe something in a state of faulty operation. thus, the term's literal logic is transparent: it describes the state of 'working badly', a concept that has seamlessly transitioned from its constituent morphemes into modern technical and everyday vocabulary to describe failures in machinery, systems, or biological processes.
Analysis
Structure: mal (bad) + function (work) + ing (adjective/participle suffix)
mal: from latin malus (bad, evil). serves as a prefix indicating fault, defect, or incorrectness.
function: from latin functio (performance, execution), from fungi (to perform). serves as the core root meaning 'to work or operate'.
ing: from old english -ende, -unge. serves as a suffix forming present participles (verbs) or adjectives describing a state or quality.
Examples
the fire alarm was malfunctioning, causing it to sound intermittently throughout the night.
investigators focused on the malfunctioning software as the primary cause of the system crash.
his malfunctioning immune system began to attack healthy cells.