What is "naggings"

Usage examples of "naggings".

Johnnie, as Irish as she, fi­nally erupted into rage at her naggings and threatened to quit, after a long tirade which ended with “and the back of both me hands to you, Ma’m, and the curse of Cromwell on you.

His wife certainly spared no details of the naggings, bickerings and pettiness that ensued during her state visits in Greenville.