Typhoidal is an adjective used to describe a range of illnesses that present symptoms similar to typhoid fever. Some synonyms for typhoidal include typhoid-like, typhus-like, feverish, and septicemic. Other synonyms that suggest an infection or feverish state include infectious, pyretic, septic, and toxemic. However, it is important to note that typhoidal illnesses can have varying etiologies, and not all of these synonyms are interchangeable or appropriate for every case. Therefore, it is important to consult a medical professional for a proper diagnosis and treatment plan if you suspect you have a typhoidal illness.