1‘her mother is frantic about her safety’
panic-stricken, panic-struck, panicky, beside oneself, at one's wits' end, berserk, distraught, overwrought, worked up, agitated, distressed
frenzied, wild, frenetic, fraught, fevered, feverish, hysterical, mad, crazed, out of control, uncontrolled, unhinged, out of one's mind, maniacal, demented, desperate
informal in a state, in a tizz, in a tizzy, wound up, het up, in a flap, in a cold sweat, tearing one's hair out
British informal having kittens, in a flat spin, swivel-eyed
We take a look at several popular, though confusing, punctuation marks.