nerf — English Dictionary

Verb

1. To bump lightly, whether accidentally or purposefully.

   Usage

   • Transitive

   Examples

   A racer will often nerf another as a psychological tactic.

   "The crazy fool!" Ricky exclaimed. "Nerfing me!"

Verb

1. To change a mechanic, an ability, or a character in a video game in order to make less efficacious.

   Usage

   • Slang
   • Transitive

   Synonyms

   gimp

   Examples

   The lightning spell was originally pretty powerful, but in the sequel they nerfed it so it became completely useless.

2. To arbitrarily limit or reduce the capability of.

   Usage

   • Slang
   • Transitive

   Examples

   Tesla nerfs Autopilot in Europe due to new regulations

Noun

1. The deterioration, weakening or worsening of a character, a weapon, a spell, etc.

   Usage

   • Slang