反义词是bigger,意思是更大的 ,例如:

1、We should aim for a bigger share of the market.我们应该努力争取更大的市场份额。

2、Next year we hope to have a bigger share of the market.明年我们希望获得更大的市场份额。

3、It would be more economical to buy the bigger size.买尺寸大点的更实惠。