English dictionary

Info: This web site is based on WordNet 3.0 from Princeton University.

English adjective: rust

1. rust of the brown color of rust

Synonymsrust-brown, rusty


Antonymsachromatic, neutral

English noun: rust

1. rust (substance) a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

Broader (hypernym)ferric oxide

Substance holonymgoethite, gothite

2. rust (state) a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi

Broader (hypernym)plant disease

Narrower (hyponym)blister rust, white pine blister rust, white-pine rust

3. rust (process) the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water


Broader (hypernym)corroding, corrosion, erosion, oxidation, oxidisation, oxidization

Substance holonymferric oxide

4. rust (plant) any of various fungi causing rust disease in plants

Synonymsrust fungus

Broader (hypernym)fungus

Narrower (hyponym)apple rust, blister rust, cedar-apple rust, Cronartium ribicola, flax rust, flax rust fungus, Gymnosporangium juniperi-virginianae, Melampsora lini, Puccinia graminis, wheat rust

Part holonymaeciospore, aecium

Member meronymorder Uredinales, Uredinales

English verb: rust

1. rust (change) become destroyed by water, air, or a corrosive such as an acid

SamplesThe metal corroded.
The pipes rusted.

ExamplesThese cars won't rust


Pattern of useSomething ----s

Broader (hypernym)crumble, decay, dilapidate

Narrower (hyponym)eat away, fret

Verb groupcorrode, eat, rust

2. rust (change) cause to deteriorate due to the action of water, air, or an acid

SamplesThe acid corroded the metal.
The steady dripping of water rusted the metal stopper in the sink.

Synonymscorrode, eat

Pattern of useSomething ----s something

Broader (hypernym)damage

Verb groupcorrode, rust

3. rust (change) become coated with oxide

Pattern of useSomething ----s

Broader (hypernym)oxidate, oxidise, oxidize

Verb groupoxidate, oxidise, oxidize

Based on WordNet 3.0 copyright © Princeton University.
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