Default does not have to mean outright debt repudiation.

违约不一定是指完全不偿还债务。

youdao

While technically a default, the loss would not be an outright repudiation of Greece's debt and the contagion could, in theory, be contained.

从技术上说，违约造成损失，但将不是希腊债务的全部赖账，理论上，可以控制住蔓延。

youdao

The message was that they would be purposefully limited in aim, and that the core of any programme would be a debtor-led partial default - that is, the suspension of interest payments on the remaining debt and a repudiation of the terms of both Troika-brokered bailouts.

BBC: Greece: Trying to understand Syriza

Russian officials have already started preparing public opinion for a repudiation of this debt.

ECONOMIST: Russian debt: Default setting | The