1. at the worst - Adverb
2. at the worst - Phrase
under the worst of conditions
Source: WordNetIf way to the better there be, it exacts a full look at the worst. Thomas Hardy
I was on the cover of a lot of newspapers. I was on the cover of USA Today for every single day for a month. I was on the masthead, so I tend to get recognized a lot, and in weird places. It's always flattering, and it's always odd. It's always at the worst possible time. Augusten Burroughs
Better to put things at the worst at first and reserve the best for a surprise. Jules Verne
Most men and women lead lives at the worst so painful, at the best so monotonous, poor and limited that the urge to escape, the longing to transcend themselves if only for a few moments, is and has always been one of the principal appetites of the soul. Aldous Huxley
Her aunt Sol had once told Shai to smile at the worst insults and snap at the minor ones. That way, no man would know your heart. Brandon Sanderson
When things are at the worst they begin to mend. Dutch Proverb