at worst

The last thing clients want is for the wealth they worked so hard for to end up creating disharmony at best, and litigation at worst.

The laws have drawn the ire of some medical professionals, who fear that hopeful patients will try experimental drugs only to find them ineffective at best and harmful at worst.

The $500-million mixed-use project planned for the busy intersection of Sunset Boulevard and Highland Avenue “has been, at best, a complete boondoggle, and, at worst, a complete fraud,” Harris said in court documents.

Somehow, the tourists need to buck their trend of starting Ashes tours awfully and get out of the opening two on level terms at worst.

But in Australia they've long been treated as a bit of a joke - at worst, an annoyance.