(economics) Initialism of gross domestic product. / (biochemistry) Initialism of guanosine diphosphate, a nucleotide.

Alternative spelling of Gdańsk, the capital city of the Pomeranian Voivodeship, Poland

A city on the north coast of Poland.

(banking) Initialism of Global Depositary Receipt.

(history) Initialism of German Democratic Republic (“East Germany”).

Gamma Delta Iota (ΓΔΙ) or God Damn Independent; a fictitious fraternity used by fraternity and sorority members to refer to people not affiliated with such organizations.

(computing, Microsoft, Microsoft Windows) Initialism of Graphics Device Interface.. / (automotive) Initialism of gasoline direct injection. (fuel injection)

(euphemistic, slang, rare) Abbreviation of goddamn it.

plural of GDI

Graphic display calculator.