Google once again sucks the joy out of life

The correct word, apparently, is "auto-antonym". Also referred to as "antagonyms" and "contranyms". Here's a list (thanks Ralph).

Now, can I just Google "What is the optimal monetary policy rule when shocks to the risk premium are an important source of business cycle fluctuations; to what extent has the Federal Reserve followed such a rule in the post-Volcker era?" and then hit the golf course?