Make beneficial additions or changes to, as in The company is trying to improve on the previous model. [Late 1600s]
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How to use improve on in a sentence
Just the hard-on before you shoot unarmed members of the public.'Babylon' Review: The Dumb Lives of Trigger-Happy Cops|Melissa Leon|January 9, 2015|DAILY BEAST
Three on-the-record stories from a family: a mother and her daughters who came from Phoenix.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
You just travel light with carry-on luggage, go to cities that you love, and get to hang out with all your friends.
It was a brick wall that we turned into the on-ramp of a highway.
It could dramatically improve quality of life in communities throughout the developing world.
Five hundred of our fighting men are running to and fro between cliffs and sea carrying stones wherewith to improve our pier.Gallipoli Diary, Volume I|Ian Hamilton
Yet their quaint attempts to improve their appearance throw an interesting side-light on their æsthetic preferences.Children's Ways|James Sully
I drew back from the rim of Writing-On-the-Stone, that set of whispered phrases echoing in my ears.Raw Gold|Bertrand W. Sinclair
Kingston-on-Thames is still provincial in appearance, though now the centre of a great growth of modern suburbs.The Portsmouth Road and Its Tributaries|Charles G. Harper
Besides the districts mentioned, tobacco is grown largely in that of Frankfort-on-the Oder.