Another Word For Key

Meaning

The word "key" refers to a small metal instrument that is specially cut to fit into a lock, allowing one to open or close that lock. Figuratively, "key" can also denote something that is crucial or essential, such as a solution to a problem or an important piece of information.

Synonyms

• Crucial
• Essential
• Main
• Critical
• Fundamental
• Vital

Antonyms

• Unimportant
• Irrelevant
• Minor
• Secondary
• Trivial

Etymology

The word "key" comes from the Old English "cāg," which means "key or latch." It can be traced further back to the Proto-Germanic word "kagwō," and may be related to the Proto-Indo-European root "gʲeh₁u-," meaning "to open."

Examples

1. She lost the key to her car and had to call a locksmith.
2. Understanding the basic concepts of mathematics is key to solving advanced problems.
3. The CEO's decision was key in determining the future of the company.
4. Make sure to get the key information before preparing your report.
5. The key to success often lies in effective communication.