incumbent
//ɪnˈkʌmbənt//
Noun
incumbentSingular
incumbentsPlural
1
A person who currently holds a particular office or position, especially a political one.
The incumbent won the election by a narrow margin.
Synonym
Antonym
Adjective
incumbentCanonical form
1
Currently holding a specified office or position.
The incumbent president is seeking re-election.
2
Necessary for someone as a duty or responsibility; obligatory.
It is incumbent upon all employees to follow the safety regulations.