What does durability mean?
Durability is the quality of lasting a long time without wearing out, breaking down, or losing effectiveness. It applies most often to physical things — fabrics, tools, buildings, vehicles — whose ability to withstand stress, weather, and repeated use makes them reliable investments. The word also extends to abstract matters, as when we speak of the durability of a peace agreement or a political institution, meaning its capacity to endure over time. Derived ultimately from the Latin 'durus', meaning hard, durability entered English in the late Middle Ages via Old French and has long carried positive connotations of strength, dependability, and good craftsmanship. In modern usage it is especially prominent in engineering, consumer goods marketing, and sustainability discussions, where building products that last is seen as both economical and environmentally responsible. Its opposite is fragility or flimsiness.
nounThe quality of being able to withstand wear, pressure, or damage over time; the state of lasting a long time without significant deterioration.
- The ability of a material, product, or structure to withstand wear, damage, or decay over time.
- More broadly, the capacity of anything abstract (an institution, agreement, reputation) to persist and remain effective over a long period.
"The durability of these hiking boots makes them worth the high price."
"Engineers praised the bridge's durability after decades of heavy traffic."
"The durability of their friendship survived years spent on opposite sides of the world."
Rarely used; the plural appears only in technical contexts comparing the durability properties of multiple materials or designs.
"The report compared the durabilities of three composite materials under extreme heat."
Durability comes straight from Latin 'durus', meaning 'hard' — the same root that gives us 'obdurate', literally 'hardened against persuasion'.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of durability
Durability derives from the Latin 'durabilitas', formed from 'durabilis' ('lasting, enduring'), which in turn comes from 'durus', meaning 'hard'. The word passed into English through Old French 'durabilité' and has been in use since the late Middle Ages. It shares this root with 'durable', 'endure', 'duress', and 'obdurate', all tracing back to the same Latin adjective.
Related word forms
How durability is actually used
Durability is a somewhat formal or technical word, common in engineering, manufacturing, consumer reviews, and materials science. It carries a positive connotation, implying value and reliability. It is uncountable in standard use.
Easily confused with durability
Endurance typically refers to the capacity to sustain prolonged effort, activity, or hardship (especially in people), while durability refers to the ability of objects or materials to resist wear and damage over time.