Fantastic, great, awesome, muy bueno, amazing.
a negative adjective would be fat or chunky while a positive adjective meaning the same thing would be big build or heavy set.
Any color - brown, black, red, blue, yellow, etc. Any size - large, small, gigantic, skinny, fat, etc.
aback abaft abandoned abashed abdominal abeam abed aberrant aberrational abhorrent abiding abject ablaze able able-bodied awesome amazing
attractive, assertive, appealing, affluent, adept, angelic, agreeable
the gorgeous heilpful woman walked the poor old lady across the busy road with lots of red and white cars.