do one better

do one better (than somebody/something)

to do more or be better than someone or something else go one better (than somebody/something) Several companies developed similar software, but ours did one better than the rest by making it user-friendly.
Usage notes: sometimes used in the form do someone one better or do something one better: Jones did him one better and beat the record for the 100-meter dash.
See also: better, one