antirust

American  

[an-tee-ruhst, an-tahy-, an-ti-ruhst] / ˌæn tiˈrʌst, ˌæn taɪ-, ˈæn tɪˌrʌst /

adjective

1. preventing or resisting rust.

2. rustproof.

---

noun

1. something that prevents or resists rust.

antirust British  

/ ˌæntɪˈrʌst /

adjective

1. (of a product or procedure) effective against rust

---

Etymology

Origin of antirust

anti- + rust

Example Sentences

The lawsuits, which accuse the insurers of violating the state’s antirust and unfair competition laws, were largely upheld in a decision Thursday by Los Angeles County Superior Court Judge Samantha Jessner.

From Los Angeles Times • May 16, 2026

She does deep dives on technology, politics, antirust and other subjects.

From The Wall Street Journal • Mar. 19, 2026

He talks to an entrepreneur who specializes in antirust products, and tags along with a photographer who finds art in the inexorable decay of the shuttered Bethlehem Steel Works in Pennsylvania.

From New York Times • Mar. 9, 2015