Gr8 is an abridged version of the word great and is often used as an adjective. Gr8 can also mean a fantastic or a wonderful thing.
Most often gr8 is used in informal internet or texting conversations, and is common on the internet. Gr8 is also especially common on social networking sites such as twitter or facebook . In addition to this, many young people (especially teenagers) use this word in writing. Some websites, such as Yahoo! Answers also use the word gr8 in some of their web content. Here is one such quote from there:
“im in gr8 trouble, very much confused what to if i m not got selected in rpet????