opaque

“It is critical that policymakers support the affordable coverage options Americans count on today while also addressing the drivers of rising costs, including drugmakers’ exorbitant prices and hospitals’ opaque billing practices, ” Bond said.

At first, it merely provided quotes for what had been an opaque over-the-counter market for unlisted stocks.

Critics say opaque returns and higher costs make private equity a risky bet for retirement savers.

Now you have to figure out what is happening in another, often opaque region.

That expansion crystallizes the yearslong flow of credit outside the tightly regulated banking system and into riskier, more opaque businesses.