vital role

/ˈvaɪtəl roʊl/ · vī·tal · role

noun

A position or function that is essential to the success or functioning of something. The lead actor played a vital role in the success of the movie.
A situation or circumstance that is crucial to the outcome of something. The weather played a vital role in the outcome of the battle.

Synonyms

crucial part essential function key position important role central role major part significant role

Antonyms

minor role unimportant part insignificant function

Did you know? The phrase 'vital role' is often used in professional and formal contexts to emphasize the significance of a particular position or function.

Related terms

key essential crucial important significant major central

Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 22, 2026