to raise the level of (a liquid, powder, etc) in (a container), usually bringing it to the brim of the container: top up the sugar in those bowls
to increase the benefits from (an insurance scheme), esp to increase a pension when a salary rise enables higher premiums to be paid
to add money to (a loan, bank account, etc) in order to keep it at a constant or acceptable level
an amount added to something in order to raise it to or maintain it at a desired level
(as modifier): a top-up loan; a top-up policy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use top up in a sentence
No one wants to risk the whole show by forcing them to top up their pensions too fast.Sorry, Folks: One Way or the Other, You'll Never Be Able to Completely Count on Retirement | Megan McArdle | March 15, 2013 | THE DAILY BEAST
For the same reason that it hasn't been able to get companies to top up their pensions.Sorry, Folks: One Way or the Other, You'll Never Be Able to Completely Count on Retirement | Megan McArdle | March 15, 2013 | THE DAILY BEAST
In the market conditions of late 2008, Reserve Primary was too small, and too poor, to top up.
They need to work to top up the equity they lost in the housing bust - only the work isn't there.
See how he has torn this old tree top up and gnawed those logs and those trees, he has been past here.Fifty Years a Hunter and Trapper | Eldred Nathaniel Woodcock
As the big drive went on and column after column went over the top up to the hemispheres, nobody wasted time on Lee.The Brain | Alexander Blade
Stacy strolled over to Rector, gravely snipped off the latter's hat and holding it top-up shook the hat vigorously.The Pony Rider Boys in New England | Frank Gee Patchin
And in the posture of the picture identified as Commission Exhibit 344, is the top up or down?Warren Commission (2 of 26): Hearings Vol. II (of 15) | The President's Commission on the Assassination of President Kennedy
The weather was not settled; now and then there came a sprinkle, but with our top up we did not mind.The Car That Went Abroad | Albert Bigelow Paine