deceitful Copy link Outline 1. fallax, ācis2. dŏlōsus (full of wiles and stratagems)3. fraudŭlentus4. vānus (fig. unsubstantial)5. falsus • deceitful: 1. fallax, ācis: a d. imitation and pretence of virtue, f. imitatio simulatioque virtutis, Cic.: a false and d. hope, spes falsa et f., id. 2. dŏlōsus (full of wiles and stratagems): v. cunning. 3. fraudŭlentus: v. dishonest. 4. vānus (fig. unsubstantial): v. deceptive, vain. 5. falsus: v. false. Phr.: a d. rogue, vĕtĕrātor (one old in deception): Ter.: *ad fallacias, dolos, machinas, fraudes instructus, paratus: v. deceit, tricks.