alter

verb
UK /ˈɔːltə/
US /ˈɔːltər/

To change something a little.

She had to alter her dress so it would fit.


OTHER MEANINGS

2. To make different in size or shape, especially clothes.

The tailor altered the trousers to make them shorter.

3. To become different over time.

His mood altered when he heard the good news.

4. To castrate an animal.

The vet altered the cat to keep it healthy.