The term 'sort of circular' can be described by two crossword solutions: OVAL and OVOID. An OVAL is a shape that is curved and symmetrical, with two long sides and two short sides. It is similar to a circle, but not quite the same. An OVOID is a three-dimensional shape that is egg-shaped, with one end being more rounded than the other. It is also similar to a circle, but not quite the same. Both of these shapes are considered to be 'sort of circular'.