English▸ noun a person who is expected or required to be present at a place or event but is not:
an absentee from the match
[as modifier] absentee pupils.
▪ [as modifier] US English denoting or relating to a system of voting in which voters who are unable to be present at the polls complete their ballot papers and typically submit them by post in advance of an election:
election officials are predicting absentee voting will become even more popular in the future
they vouched for new policies that would require absentee voters to submit photo identification.