stainless: meaning, definition, pronunciation and examples
B2Neutral to formal; common in technical, commercial, and evaluative contexts.
Quick answer
What does “stainless” mean?
Resistant to staining, especially corrosion or discolouration.
Audio
Pronunciation
Definition
Meaning and Definition
Resistant to staining, especially corrosion or discolouration; without blemish or moral flaw.
Pertaining to a type of steel alloy containing chromium that resists rust; by extension, describing something or someone that remains untarnished or impeccable in reputation or quality over time.
Dialectal Variation
British vs American Usage
Differences
Minimal. The term is identical in spelling and core meaning. Potential minor variation in compound terms (e.g., 'stainless steel' is universal).
Connotations
Identical connotations of durability, hygiene, and quality in both varieties.
Frequency
Equally frequent in both varieties, given its technical and commercial importance.
Grammar
How to Use “stainless” in a Sentence
be + stainlessstainless + noun (steel, sink, blade)Vocabulary
Collocations
Examples
Examples of “stainless” in a Sentence
verb
British English
- N/A – 'stainless' is not used as a verb.
American English
- N/A – 'stainless' is not used as a verb.
adverb
British English
- N/A – 'stainless' is not used as an adverb.
American English
- N/A – 'stainless' is not used as an adverb.
adjective
British English
- The new sink is made from stainless steel.
- Her public service record is virtually stainless.
American English
- We installed stainless steel appliances in the kitchen.
- He maintained a stainless reputation throughout the scandal.
Usage
Meaning in Context
Business
Used in manufacturing, engineering, and appliance sales to denote premium, durable materials.
Academic
Found in materials science, engineering, and metallurgy papers describing alloy properties.
Everyday
Commonly used when discussing kitchenware, sinks, cutlery, and watches.
Technical
Precise term for iron-based alloys with a minimum of 10.5% chromium content by mass.
Watch out
Common Mistakes When Using “stainless”
- Using 'stainless' as a noun on its own (e.g., 'It's made of stainless' – incorrect; must be 'stainless steel'). Confusing with 'spotless' (which implies cleanliness, not corrosion resistance).
FAQ
Frequently Asked Questions
No, while 'stainless steel' is the most common collocation, 'stainless' can describe other materials resistant to staining (e.g., certain plastics, coatings) and is used figuratively for reputations or records.
Technically yes for comparative material properties (e.g., 'This alloy is more stainless than that one.'), but it is less common. Figuratively, it is usually used as an absolute adjective (e.g., 'a stainless reputation').
Chromium. The chromium in the alloy reacts with oxygen to form a thin, protective oxide layer on the surface, preventing rust.
They are similar, but 'stainless' (specifically for steel) is a technical term for a chromium-containing alloy. 'Rustproof' is a more general descriptive term that can apply to materials treated with coatings or made from non-ferrous metals.
Resistant to staining, especially corrosion or discolouration.
Stainless is usually neutral to formal; common in technical, commercial, and evaluative contexts. in register.
Stainless: in British English it is pronounced /ˈsteɪnləs/, and in American English it is pronounced /ˈsteɪnləs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “A stainless reputation”
- “Hearts as stainless as steel (literary)”
Learning
Memory Aids
Mnemonic
STAIN + LESS = having less or no stain. Think of a shiny kitchen sink that refuses to get stained.
Conceptual Metaphor
MORAL PURITY IS STAINLESSNESS / DURABILITY IS STAINLESSNESS (e.g., 'a stainless record').
Practice
Quiz
In a figurative sense, what does 'a stainless character' most likely imply?