pivotal

Definitions

Of crucial importance in relation to the development or success of something else.

Relating to or serving as a pivot.

Examples

The invention of the steam engine was a pivotal moment in the history of the Industrial Revolution.

Her contribution to the project proved to be pivotal in securing the final contract.

Choosing the right location for the new store will be pivotal to our long-term success.

Synonyms

crucial critical central essential vital key decisive

Antonyms

trivial insignificant minor unimportant peripheral inconsequential negligible