† sympˈtomical,a.Obs.rare. [f. symptom + -ical.] = symptomatic 1. 1656J. Smith Pract. Physick 85 If it be symptomical, it must be cured as before.1676Phil.Trans. XI. 570 A Feaver.., to which the Dysentery and Diarrhœa were only symptomical, not essential.