crucial

UK: ˈkruːʃəl | US: ˈkruːʃəl

Definition

  1. adj. decisive or critical, especially in the success or failure of something

  2. adj. of great importance

Structure
cruc <cross>ial <adjective suffix>cruc <cross>ial <adjective suffix>
Etymology

The word crucial originates from the Latin crux (cross), reflecting the idea of a crossroads—a point where a decisive choice must be made. The term was popularized in the 18th century by philosopher Francis Bacon, who used experimentum crucis ("crucial experiment") to describe a test that decisively validates or refutes a theory. Over time, crucial evolved to signify any situation or factor of extreme importance.

Examples

  1. This meeting is crucial for finalizing the project timeline.

  2. Her testimony proved crucial in solving the case.

  3. Timing is crucial when investing in the stock market.

  4. The team’s cooperation was crucial to their victory.

  5. Clean water is crucial for survival in emergency situations.