From under- + adherence. <span class="searchmatch">underadherence</span> (uncountable) (medicine) Insufficient adherence to a treatment. 2007 June, Min Yang, Jamie C. Barner, Jason Worchel...
underadherent, superlative most underadherent) (medicine, of a person) Showing <span class="searchmatch">underadherence</span> to a treatment; insufficiently adherent. 2007 June, Min Yang, Jamie...
underacylation underadditive underadditively underadditivity underadduction <span class="searchmatch">underadherence</span> underadherent underadjust underadjustment underadvantage underadvantaged...