To replace somebody or something for a period of time. Usually used when someone can not do the work and you have to do it for them.
Virginia Arts Festival using TV, radio broadcasts, social media to fill in for last season.
Roadside workers fill in for agricultural labourers in Punjab.
PennDot workers are filling in for volunteers at Second Harvest Food Bank.
The Prime Time host filled in for Ryan Tubridy on the Late Late Show recently and proved to be a massive hit with viewers.
Kamloops MP suggests students might fill in for temporary foreign workers.
6 Ford for this weekend's NASCAR Cup Series activity at Auto Club Speedway, filling in for Ryan Newman for the second consecutive week.
Alaska DOT says private charters could soon fill in for Alaska Marine Highway System ferries.
After the jokes, they revealed that Patterson could fill in for Seacrest on April 1 when he's busy fulfilling "American Idol" duties.
ALVA, Fla. — Southwest Florida native Ross Chastain will be filling in for Ryan Newman this weekend at the Las Vegas Motor Speedway.
Joseph Brean: I was a new reporter, assigned to fill in for Christie Blatchford. It was terrifying.