grt en · ADJ Meanings (Internet, abbreviation, alt-of) Abbreviation of great. alt of great Within seconds, the reply: Oh, can we??? Wow, that's grt!! You and me and the Parsi car and the Parsi uncle (he's sweet, and a great favourite of mine). 2018, Chandrahas Choudhury, Clouds, New York, NY: Atria Books, published 2019, →ISBN, page 170: Synonyms gr8