VAIN Copy link • VAINUseless; to no purpose, vanus: inutilis; cassus: irritus. Frivolous, trifling, worthless, inanis, vanus, futilis (good for nothing): fragilis, caducus. (The words are found in this connection and order.) fragilis caducusque, fluxus atque fragilis (transitory). Vain endeavors, thoughts, contentiones, cogitationes inanes: vain pleasures, laetitiae futiles: human affairs are vain, res humanae fragiles caducaeque sunt: everything earthly is vain and transitory, infra lunam nihil est nisi mortale et caducum; breves et mutabiles rerum vices sunt. Conceited, Vid: Attached to vain things, vanus: inanis. To be vain, *vanarum rerum or vano glorioiae honorisque studio trahi.