To weaken, imbecillum or infirmum reddere (e.g., stomachum): debilitare; delumbare (e.g., sententias): enervare (e.g., rationem; corpus orationis, Petronius): infirmare (to take away its strength, force, validity; e.g., fidem testis): attenuare; extenuare (PROP., to make thin; attenuare vires, curas; extenuare spem, curas, molestias, mala, vires): minuere; imminuere; comminuere (to abate): frangere; infringere; refringere (to break the force of anything): hebetare; obtundere (to make dull: especially the senses): the sight, hebetare aciem oculorum, or oculos: the sense of hearing, hebetare aures; obtundere auditum: the mind, animum, or ingenium, or ingenii vires comminuere: the mind and body, nervos mentis ac corporis frangere: hope, spem debilitare or extenuare: courage, animum frangere or infringere: their violence, impetum comprimere, or sedare.