The term chairbound refers to someone who is unable to leave their chair or is confined to using a wheelchair due to a physical limitation. There are several synonyms for this term, including wheelchair-bound, immobile, confined, incapacitated, and housebound. Some other terms that could be used to describe a person who is chairbound include bedridden, disabled, paralyzed, and mobility-impaired. It's important to use the appropriate term that accurately describes the person's condition so that they are not stigmatized or made to feel inadequate. Overall, it's essential to remember that being chairbound does not define a person's worth or abilities.