Definition

Adjective: Certain to succeed or produce the desired result; guaranteed to work as intended.

Usage

The adjective "sure-fire" is used to describe a plan, method, idea, or thing that is considered completely reliable and certain to be successful. It is often used attributively (before a noun) and has an informal, emphatic tone.

Examples

• That marketing strategy is a sure-fire way to attract new customers.
• He has a sure-fire method for winning at that card game.
• For a sure-fire hit at the party, serve this dessert recipe.

Advanced Usage

• The term is often used in business, entertainment, and informal contexts to express high confidence in an outcome.
• It can imply a formulaic or proven approach to achieving success.

Variants and Related Words

• Surefire (alternative spelling): Often written as a single word without a hyphen, especially in modern usage.
  • Example: It's a surefire winner.

Synonyms

• Certain
• Guaranteed
• Infallible
• Foolproof
• Can't-miss

Antonyms

• Uncertain
• Risky
• Unreliable
• Dubious
• Chancy

Idioms and Phrases

• A sure-fire thing: Something that is absolutely certain to happen or succeed.
  • Example: Investing in that company seemed like a sure-fire thing.

Adjective

1. certain to be successful
   • a sure-fire way to get rich