niggle
verb (used without object)
to criticize, especially constantly or repeatedly, in a peevish or petty way; carp.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Although his knee completely gave up on him when the stakes were highest, it has allowed Aspinall to have surgery, solving a problem which has niggled away at him for his entire UFC career.
From BBC ● Jul. 22, 2023