suf-frīgĭdus (subf-), a, um, adj.,
rather cold or frigid (post-class. and very rare); trop.: argumentum, Amm. 17, 11, 4. —Adv.: suffrīgĭdē , rather coldly or frigidly : nimis minute ac prope etiam suffrigide, Gell. 2, 9, 4.