4D

English

Alternative forms

• 4-D

Adjective

4D (not comparable)

1. Abbreviation of four-dimensional.

   Coordinate terms: 1D, 2D, 3D

   1. Describes a 3D film experience that is supplemented with synchronized physical effects.
   2. Denotes imaging modes with 3D capability that can also record over time.

      4D-CT

2. (K-pop, fandom slang) Having a quirky or oddball personality.
   • 2018, Hayley Marland, K-Pop Survival Guide, page 99:

     Being considered 4D is usually when an idol behaves and acts differently or strangely compared to the usual Korean standards.

   • 2021, Entertainment Weekly The Ultimate Guide to BTS:

     If every K-pop group has a “4D” member, V was probably BTS's. He's grown up significantly since then, emanating maturity and wisdom […]

Derived terms

• 4D chess

 

See also

• 4WD

 

Anagrams

• d4