DictionaryRoot: -er
English

-er

a person or thing that does something

Forms

  • -er
  • -r — Used after some bases ending in e.

Origin

Old English -ere, generally traced through Germanic to Latin -arius.

Note

It can name a tool as readily as a person. The comparison ending in taller has a different history.

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noun

driver

A person or force directing forward movement.

The bus driver waits until everyone is seated before leaving.

Etymology

The agent ending turns drive into the person or thing that propels something. A driver may therefore supply either literal forward movement or the force behind an undertaking.

More examples

  • Every driver must stop for pedestrians in the crosswalk.
  • Customer demand is a major driver of product development.
  • Rising rents are among the drivers of migration.

Forms

driver · drivers

drive verb — To operate a vehicle or propel forward.

Similar words

motorist
Refers only to someone driving a motor vehicle.
catalyst
Emphasizes triggering change rather than continuously directing its progress.