instrumental

adjective C1

Meaning

Pertaining to or serving as a means of achieving a particular end; often used to describe tools, methods, or approaches that play a crucial role in facilitating processes or outcomes, particularly in contexts such as research, music, or social dynamics.
💡 The term "instrumental" is frequently misused when referring to something merely helpful or supportive; it implies a more active and essential contribution to an outcome rather than a passive or secondary role.

Example Sentences

Her leadership was instrumental in securing the major contract .
Her research was instrumental in developing the new policy .
Her support was instrumental in completing the project on time .
The new method was instrumental in improving the experiment's accuracy .

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