speedyimprovement

noun
UK /ˈspiːdi ɪmˈpruːvmənt/
US /ˈspiːdi ɪmˈpruːvmənt/

A quick change that makes something better.

The speedyimprovement in her reading made her teacher smile.


OTHER MEANINGS

2. A sudden rise in quality or performance.

The team showed a speedyimprovement after the new coach arrived.

3. A fast repair or upgrade to something.

The speedyimprovement to the playground made it safe again.

4. The act of getting better in a short time.

His speedyimprovement in math surprised everyone.