Valetudinaries are individuals who are frequently ill or weak, and thus require special attention and care. There are several synonyms for this term, including infirm, sickly, feeble, frail, delicate, weak, invalid, ailing, and debilitated. These words all describe someone who suffers from poor health and requires assistance or special treatment to improve their condition. Valetudinaries may require medical attention, constant monitoring, or adaptive devices to help them manage their health issues. It's important to provide compassion and support to those who are valetudinaries, as they face unique challenges in their daily life.