infatuated (adj.) Copy link • infatuated (adj.): dēmens, ntis: Cic. N. D. 1, 34, 94 (desipere, delirare, d. esse): esp. as exclam., i. man! demens! Virg. passim. Phr.: to be so i., tanta esse dementia, Auct. B. Afr. 8.