Synonym for athymia ... 1. Absence of affect or emotivity; morbid impassivity. ... 2. Congenital absence of the thymus gland, often with associated immunodeficiency. ... Synonym: athymism. ... Origin: G. A-priv. + thymos, mind, also thymus ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973