What does contributory mean?
"Contributory" describes something that plays a part in bringing about a result, especially when that result has multiple causes. A coroner might cite fatigue, weather, and speed as contributory factors in a crash; a doctor may list smoking as contributory to a patient's illness. The word implies partial causation rather than sole responsibility, which makes it invaluable wherever nuance matters: accident reports, court judgments, insurance assessments, and scientific studies all lean on it to apportion influence without assigning full blame. It also carries specialised meanings: in law, "contributory negligence" refers to a claimant's own carelessness reducing or voiding compensation, while in pensions a "contributory" scheme requires members to pay in, unlike a non-contributory one funded wholly by an employer. Derived from the same Latin root as "contribute", the word entered English in the seventeenth century and remains firmly formal today — precise, measured, and quietly indispensable whenever causes are shared rather than singular.
Helping to cause or bring about something, especially as one of several contributing influences; in law, relating to a party's share in liability or fault.
"Poor lighting was cited as a contributory factor in the accident report."
A thing or person that contributes to something; chiefly British, a member who pays into a contributory pension or insurance scheme.
"Each contributory pays a fixed monthly sum into the scheme."
The noun use is now rare outside British pension and insurance terminology.
Used only when "contributory" functions as a noun, e.g. members of a contributory scheme.
"All contributories were notified of the revised payment schedule."
In law, "contributory negligence" can wipe out your entire compensation claim if you're found even partly at fault for your own injury.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of contributory
"Contributory" derives from the Latin verb "contribuere", meaning to bring together or pay jointly, formed from "com-" (together) and "tribuere" (to allot or bestow), the same root that gives us "tribute" and "attribute". The word passed into English via the stem "contribut-" in the early seventeenth century, alongside its sibling forms "contribute" and "contribution". Its legal senses developed later, with "contributory negligence" becoming established doctrine in nineteenth-century English and American courts.
Related word forms
How contributory is actually used
Formal register, common in legal, medical, insurance, and investigative contexts such as accident reports. The noun sense appears mainly in British pension terminology, where a 'non-contributory' scheme is one funded entirely by the employer.
Easily confused with contributory
"Attributable" means something can be assigned as the cause of an outcome, while "contributory" means it merely helped bring the outcome about among other causes.
"Contributing" is the verb form or participle describing the act of giving or helping to cause, whereas "contributory" is an adjective describing something that serves as one of several causes.