Often used as a suffix (e.g., 嫁いびり, 新人いびり) to describe persistent, mean-spirited treatment, especially in hierarchical or group settings. The standalone noun is less common.
Unable to endure the bullying at work, he quit.
Mothers-in-law who bully their daughters-in-law aren't just a thing of the past.
Kana-only form; no kanji form is given.
Derived from the verb いびる (to torment, to bully). The noun form いびり nominalizes the action, and its suffix usage developed from describing the act of bullying a particular target.