The term 'very big' can be described in many ways, including 'OBESE' (5 letters), 'HUGE' (4 letters), 'LARGE' (5 letters), 'SUPER' (5 letters), 'ENORMOUS' (8 letters), and 'ELEPHANTINE' (11 letters). OBESE is a medical term used to describe someone who is significantly overweight, while HUGE and LARGE are more general terms for something that is very LARGE in size. SUPER and ENORMOUS are also general terms, but they imply a greater degree of size than HUGE or LARGE. ELEPHANTINE is an even more extreme term, referring to something that is extremely LARGE, like an elephant.