TG noun 5adjective 2exclamation 1forms 1 noun5 •(old-fashioned) A transgender person.Often, TGs are forced to revert to their original gender in order to obtain services. — 1997 •Initialism of transformational grammar. •Initialism of thyroglobulin. •Abbreviation of Telangana: a state of India.Hitherto, the Centre had cleared a proposal to allot the letters TG to Telangana State, but now the Transport Department has written to the ... — 2014 •Initialism of temporary gentleman.you can get rid of a man you don't like by writing a letter of introduction and putting him, with it, into the train. TG's are best treated thus. — 1888 adjective2 •Initialism of transgender. •Initialism of transformative-generative. exclamation1 •Initialism of thank God. formsTGs