Vocabulary List 22
(adjective) happening without being planned
The insurance policy covers accidental damage.
(adjective) happening as part of something else
There may be some incidental expenses during the trip.
(adjective) happening gradually
Incremental improvements have been planned.
(adjective) having a lot of influence
His uncle is a rich and influential businessman.
(adjective) planned or intended; deliberate
Did you do it by accident or was it intentional?
(adjective) important in making something happen
He was instrumental in bringing the war to an end.