Career
Adjet joined Toulouse Fontaines Club as a twelve-year-old as a left winger. Before leaving as a 16-year-old left back. Adjet began his professional career with Toulouse Football Club.
However failed to make an appearance for the first team in this spell.
Despite this he did make several appearances for the "B" team as he was only 16 years old, Geoffrey was then loaned out in the winter of 2007/2008 to Blagnac Football Club (a fifth tier side). This move was to help him gain experience as he was only 18/19 years old at the time.
Blagnac Football Club is located in Toulouse so Adjet would not have to relocate by a great distance. After this loan spell he joined fourth tier side Toulouse Fontaines Club but 5 June 2008 he left the club after only making one appearance for the side after joining from his loan spell at Blagnac Football Club. He then signed a contract with AS Nancy.
On 29 June 2009 Tours Football Club signed the left-back on a free transfer as he was released by AS Nancy.
He went on to make twenty one appearances for Tours Football Club scoring one goal from left-back. He was competing for places alongside current Arsenal Football Club players Olivier Giroud, Laurent Koscielny and Bayern Munich defender Mehdi Benatia.
In 2011 Adjet was release from Tours Football Club and joined UNFP, an organisation for unemployed football players in France. In late 2013 Geoffrey Adjet signed for Toulouse Fontaines Club in the 4th division of French league football to maintain fitness levels.
Then in 2014 Geoffrey Adjet signed for SO Romorantin where he scored on his 7th appearance from Left-Back.