badly or uncomfortably fitted: an ill-fitted denture.

Is ill-fitting one word?

When something fits, it's the proper size and shape for your body, and when it doesn't fit, it's ill-fitting. This adjective combines ill-, "badly" or "not well," with fitting, from the verb fit, "be fitting or proper" and "be the right shape."

What does it mean to be ill-suited?

: poorly suited : not having the qualities that are right, needed, or appropriate for something a pet ill-suited for travel ill-suited for this job.