bedevil
verb (used with object)
to torment or harass maliciously or diabolically, as with doubts, distractions, or worries.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Those updates should shrink the error bars on the telescope’s calibrations from the tens of percentage points that have been bedevilling astronomers in some areas, down to just a few percentage points.
From Scientific American ● Oct. 11, 2022