"roughly symmetrical" is a perfectly acceptable phrase that can be used in written English.
For example, you could use it in the following sentence: "The outline of the butterfly's wings was roughly symmetrical."
What she meant was: look, there's nothing wrong with you, your face is roughly symmetrical and you've got a lovely smile.
The study by The Times also found that homicide rates had risen and fallen along roughly symmetrical paths in the states with and without the death penalty, suggesting to many experts that the threat of the death penalty rarely deters criminals.
They vary in shape and size, but most are at least roughly symmetrical, with one pointed and one rounded edge.
Furthermore, the function is roughly symmetrical; semantic and phonological associates appear to make equivalent contributions to over-additive false recall from hybrid lists.
Mountains are roughly symmetrical swellings in the crust: Their skyward-thrusting slopes are counterbalanced by an equivalent, inverted mountain's worth of mass underneath.
Notably, the number of transitions is not only reasonably large but is also roughly symmetrical with increases in competitive pressure being of similar magnitude as decreases.
Draw some symmetrical vase shapes.
Because the individual O3-induced decrements in this study were generally symmetrical and because other studies have demonstrated that exposures that produce mean responses of the magnitude observed in this study result in roughly symmetric response distributions (Kulle et al. 1985; McDonnell et al. 1983), we also compared the FA and 0.06-ppm O3 responses using other methods.
By contrast, globular clusters are old systems containing thousands to hundreds of thousands of stars closely packed in a symmetrical, roughly spherical form.
Subfunctionalization could lead to a molecular signature of roughly equal rates of symmetrical evolution of paralogs if both copies equally divide ancestral subfunctions [ 30, 47].
The convex form of plasmolysis was most frequently observed, which results from an even separation of the protoplast from the walls, thereby forming a symmetrical and roughly spherical protoplast (Fig. 4a).
