nerf

Short definition from Wiktionary

Verb

1. 1
   To bump lightly, whether accidentally or purposefully.
2. 2
   To change a mechanic, an ability or a character in a video game in order to make a previously dominant strategy less viable or less effective.
3. 3
   To arbitrarily limit or reduce the capability of.

Noun

1. 1
   The deterioration, weakening or worsening of a character, a weapon, a spell, etc.
2. 2
   Acronym of neural radiance field.