stalking

Abstract Noun: "Stalking" is an abstract noun because it refers to the repeated and unwanted following or monitoring of a person, usually with threatening or obsessive intent. As a gerund, it functions as a noun formed from the verb “to stalk” and denotes an ongoing or habitual action. It is intangible and refers to behaviour, not a physical object.

It is uncountable: “Stalking is a criminal offence in many countries.”

From the verb stalk + suffix -ing, forming the gerund. It is not a loanword — it is a native English formation.

• The act of following or harassing someone persistently, often resulting in fear or distress.
• Repeated, unwanted attention and contact that causes a person to feel unsafe.
• (Less common/literary) The act of moving stealthily or hunting prey.

• Laws against stalking are designed to protect victims from repeated harassment.
• Digital stalking has become a growing concern with the rise of social media.
• She reported the stalking behaviour to the police immediately.