0 past simple and past participle of tweak
2 to change something slightly, especially in order to make it more correct, effective, or suitable:
On the poverty definition of income, we are looking at either 50 per cent mean or 60 per cent median, as the mean is tweaked by high average incomes.
He has taken it back off the shelf, dusted it down, tweaked it a little and gone on about exactly the same lines as last year.
He spoke about how the scheme could be extended, how it would be tweaked, and how it would be tied in with the use of computers.
The idea has merit but it needs to be tweaked.
What happens then can knock the measure into touch or require the treaty to be tweaked or altered if it is to be adopted.
I understand that it has now been tweaked and the disadvantage might not be as great as was originally foreseen.
A listener's attention is tweaked by laughter because of learned positive emotional responses that have been conditioned as a result of repeated pairings of laughter with positive affect.
Only a few dynamics were tweaked, and tempos remain relatively close to what he imagined.
