cast-iron
/'kɑ:st'aiən/
Học thuậtThân thiện
Definition
- Adjective:
- Made of cast iron: Describes an object or material that is formed from cast iron, a hard and brittle alloy of iron and carbon.
- Extremely strong, robust, or unyielding: Used figuratively to describe something that is very strong, reliable, or inflexible, such as a person's will, a rule, or an argument.
Usage Examples
Adjective (Literal - Made of cast iron):
- The antique stove had a cast-iron frame.
- Cast-iron pans are known for their excellent heat retention.
Adjective (Figurative - Extremely strong/rigid):
- She has a cast-iron will and never gives up.
- He provided a cast-iron alibi for the night of the incident.
- The company has a cast-iron rule about punctuality.
Advanced Usage
- "Cast-iron guarantee": An absolute, unquestionable guarantee.
- The manufacturer offers a cast-iron guarantee on all its products for ten years.
- "Cast-iron stomach": An idiom describing someone who can eat anything without getting sick or upset.
- You need a cast-iron stomach to eat that spicy food.
Variants and Related Words
- Cast iron (noun phrase): The material itself.
- The bridge's supports were made of cast iron.
- Cast-iron (hyphenated adjective): The standard adjectival form, as defined above.
Synonyms
- Ironclad: Very certain or impossible to change or argue against (e.g., an ironclad contract).
- Unbreakable: Impossible to break or very strong.
- Adamantine: (Literary) Unbreakable; inflexibly strong.
Related Idioms
- "Cast-iron stomach": As mentioned in Advanced Usage.
- "Have nerves of steel / cast iron": To be very brave and not easily frightened.
- A surgeon needs to have nerves of cast iron.
Adjective
- extremely robust
- an iron constitution