and then some

With extra besides

And then some emphasizes that a stated amount is an understatement—there's more beyond what's mentioned: The project cost a million dollars and then some.

It suggests the actual quantity exceeds the figure given, sometimes considerably: She's qualified for the job and then some.

exceedGo past a limit
above and beyondExceeding normal expectations
enhanceIncrease in quality
surpassExceed in achievement
go beyondExceed a limit

amplify · copious · transcend · over the top · overflow · bountiful · profuse · outdo · in addition · overdeliver · expand · abundant · on top of that · outperform · going the extra mile · lavish · more than enough · to spare

Opposites

quantity/degree relative to expectation

and then somebarely

Only just, almost not

just barely · if that · hardly · scarcely · at best

emphasis/degree

and then someif that

Upper bound qualification

at most · at best · only just · by the skin of one's teeth · tops

Family

then, some

Familiarity: Top 50,000
Profile: Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G