Play a vital role

Meaning

To be very important in making something happen or succeed.

Volunteers played a vital role in helping families after the floods.

Follow it with 'in' + noun or -ing: 'play a vital role in reducing crime'. 'Have a vital role' and 'play a key role' are also natural.

30 collocations for IELTS Writing Task 2, grouped by the job they doThirty academic collocations for IELTS Writing Task 2, grouped by essay job: naming a problem, explaining causes, effects, solutions and evidence.

The app adds a real dialogue, native audio and three quiz types for every collocation, and it works offline.

profound impacta very strong and deep effect on someone or something
pose a threatto be a possible danger to someone or something
close the divideto reduce a big difference or gap between two groups
pave the wayto create the conditions that make a future development possible
shed light onto help explain something or make it easier to understand
take into accountto consider something when making a judgement or decision
stem fromto be caused by something or develop as a result of it
attribute toto say or believe that something is caused by a particular thing or person